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Physical Science

03/24/14

describe the Bohr of the hydrogen atom in terms of energy levels

describe the Bohr of the hydrogen atom in terms of energy levels, orbits,and emission of light what model of the replaced the bohr model and why?

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Physical Science

03/23/14

name and describe thomson`s model of the atom?

name and describes the model of the atom that replaced thomson model briefly describe the experiment that led to model of the atom that replaced thomson model

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Physical Science

03/23/14

Construct a diagram of the electromagnetic spectrum

Construct a diagram of the electromagnetic spectrum ( ADIC) and label all important parts of the spectrum ( including numerical values) include where energy is high and low, where frequency is high... more

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Physical Science

03/11/14

Which of the following is best described as the study of the nature of matter, especially at the atomic and molecular level?

by the way this is physical science question

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Physical Science

03/09/14

starting from rest,your swell new car, the zipper slipper,travels 402 M in 16 seconds.

starting from rest,your swell new car, the zipper slipper,travels 402 M in 16 seconds. A) what is its accelerationB) if your car`s mass is 900 kg, what net force was required to cause this... more

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Physical Science

02/13/14

Atoms are the same element that have the same number of protons but different numbers of neutrons are called

what does this have to do with anything i dont understand i just need help with sciemce PLLLLLEEEEASE! i need at least ONE site to help me out! >:(

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Physical Science

02/10/14

explain the difference between an atom and a molecule

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Physical Science

02/04/14

Three forces, each of 10lb, act on the same object. What is the total maximum force they can exert on the object?

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Physical Science

02/03/14

atoms are electrically neutral because

atoms are electrically neutral because they have a)equally numbers of protons and neutrons b)equal numbers of electrons and neutrons c)equal number of protons and electrons d)no charged... more

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Physical Science

02/02/14

SCIENTIFIC METHOD

Upon your car is missing. use scientific method step by step approach find your car. you must create the need to recycle,and follow through the steps at least one additional time

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Physical Science

02/02/14

suppose you purchase a large loaf of wonder bread at kroger. if you were to compress the entire loaf of bread into a ball the size of a grape, what would happen

suppose you purchase a large loaf of wonder bread at kroger. if you were to compress the entire loaf of bread into a ball the size of a grape, what would happen to the density of the bread? explain... more

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Physical Science

02/02/14

which steps are involved general and specific

he interaction between general and specific is critical to the working of the scientific method. discuss this interaction the steps in which it is involved

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Physical Science

02/02/14

all great apes that is identical to the same sequence in humans has proven humans evolved from lower primates...

a magazine article contained the following statement: the discovery of a DNA sequence in all great apes that is identical to the same sequence in humans has proven humans evolved from lower... more

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Physical Science

02/02/14

i thought the statement

a magazine article contained the following statement: the discovery of a DNA sequence in all great apes that is identical to the same sequence in humans has proven humans evolved from lower... more

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Physical Science

01/28/14

In the abscense of air resisitance a ball player tosses a ball straight up how musch speed does the ball increase ascending decrease descending

In the absence of air resistance , a ball player tosses a ball up straight up, how much does the speed of the ball decrease while ascending, increase while ascending,how does the time of ascent... more

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Physical Science

12/12/13

which wave diffracts the most when encountering an obstacle?

i need help really bad!!!!!!!!!!

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Physical Science

12/04/13

(k)compounds and (i)with compounds ki

compair and contrast the properties of potassium (k)and iodine (i)with the compounds ki

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Physical Science

12/03/13

A mixture that appears to have the same composition, color, density and taste throughout is a

quiz exam prep mixtures

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Physical Science

11/04/13

To be valid, a scientific theory must pass several tests. State three of these tests.

I need to know the types of tests a scientific theory goes through in order to be valid.

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Physical Science

10/10/13

why is heat transfer, conduction, and convection important?

I got caught with a question I don't know how to explain. Help please!

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Physical Science

10/09/13

all chemical reactions involve_______to make and break bonds between atoms

is the answer one of the following: a.energy b.haet c.hydrogrn d.water e.acid

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Physical Science

10/08/13

solar energy from the sun travels at the speed of 299,274 km/s. what is the scientific notation using three significant digits

i need help with my science problem and im already failing please help me!!!!!!

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Physical Science

09/30/13

covert 250lbs to g

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Physical Science

09/27/13

at time = 20 s a rocket velocity is 15,000m/s, up, at time = 40 s the rocket's velocity was 17,500 m/s, up. what was its acceleration during that time?

at time = 20 s a rocket velocity is 15,000m/s, up, at time = 40 s the rocket's velocity was 17,500 m/s, up. what was its acceleration during that time? please help

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Physical Science

09/19/13

what are some things do to stay safe in the lab

-Wash Hands -Treat Animals With Care -Handle Animals Properly

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Answers •2

describe the Bohr of the hydrogen atom in terms of energy levels

name and describe thomson`s model of the atom?

Construct a diagram of the electromagnetic spectrum

Which of the following is best described as the study of the nature of matter, especially at the atomic and molecular level?

starting from rest,your swell new car, the zipper slipper,travels 402 M in 16 seconds.

Atoms are the same element that have the same number of protons but different numbers of neutrons are called

explain the difference between an atom and a molecule

Three forces, each of 10lb, act on the same object. What is the total maximum force they can exert on the object?

atoms are electrically neutral because

SCIENTIFIC METHOD

suppose you purchase a large loaf of wonder bread at kroger. if you were to compress the entire loaf of bread into a ball the size of a grape, what would happen

which steps are involved general and specific

all great apes that is identical to the same sequence in humans has proven humans evolved from lower primates...

i thought the statement

In the abscense of air resisitance a ball player tosses a ball straight up how musch speed does the ball increase ascending decrease descending

which wave diffracts the most when encountering an obstacle?

(k)compounds and (i)with compounds ki

A mixture that appears to have the same composition, color, density and taste throughout is a

To be valid, a scientific theory must pass several tests. State three of these tests.

why is heat transfer, conduction, and convection important?

all chemical reactions involve_______to make and break bonds between atoms

solar energy from the sun travels at the speed of 299,274 km/s. what is the scientific notation using three significant digits

covert 250lbs to g

at time = 20 s a rocket velocity is 15,000m/s, up, at time = 40 s the rocket's velocity was 17,500 m/s, up. what was its acceleration during that time?

what are some things do to stay safe in the lab

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