chemistry

Question 1

what are the three states

Answer 1

Solid,liquid,gas

Question 2

what do the particles in a solid do

Answer 2

they vibrate around a fixed point

Question 3

what do the particles in a liquid do

Answer 3

The particles are NO longer fixed and they can slide over each other

Question 4

what do the particles in a gas do

Answer 4

they are far apart and move fast and collide with ecah other

Question 5

do solids have a fixed shape or volume

Answer 5

yes solids do have a fixed shape and a fixed volume

Question 6

do liquids have a fixed shape and volume

Answer 6

Liquids can adapt to there contatiner and do have a fixed volume though

Question 7

do gas have a fixed shape of volume

Answer 7

gas has neither a fixed shape of volume

Question 8

how does a solid turn into a liquid

Answer 8

by melting

Question 9

how does a liquid turn into a gas

Answer 9

by boiling

Question 10

how does a gas turn into a solid

Answer 10

by sublimation

Question 11

how does a liquid turn into a solid

Answer 11

by freezing

Question 12

how does a gas turn into liquid

Answer 12

by condensing

Question 13

what is sublimation

Answer 13

conversion of a substance from the solid to the gaseous state without its becoming liquid

Question 14

What is diffusion

Answer 14

high consentraction to low consentraction

Question 15

what is a element

Answer 15

if all atoms are the same then that substance is a element.

Question 16

where can all known elements be found

Answer 16

on the periodic table

Question 17

what is the periodic table split into

Answer 17

it is split into metals and non metals they are seperated by a staircase line.

Question 18

Rule to remember about the perodic table.

Answer 18

the first letter is ALWAYS a capital letter IF there is a 2nd letter it is ALWAYS lower case.

Question 19

describe an atom.

Answer 19

in the middle is the nucleus is then protected by a shell.

Question 20

what are the two numbers on the elements.

Answer 20

the bottom number is called the atomic number and the top number is the mass number.

Question 21

how do you calculate number of neutrons.

Answer 21

you subtract the mass-atomic numbers.

Question 22

how do you calculate the number of protons.

Answer 22

easy it is just the atomic number it is also the same with electrons.

Question 23

if a compound ends with ate what does that mean

Answer 23

it has sevrel elements one of those being oxygen

Question 24

if a compound ends with ide what does that mean

Answer 24

they only contain 2 elements

Question 25

what is a soulution

Answer 25

when a solid dissolves in a liquid

Question 26

what is the solid that dissolves

Answer 26

solute

Question 27

what is the liquid that does the dissolving called

Answer 27

solvent

Question 28

what are the 3 types of rock

Answer 28

igneous,sedimentry,metamorphic

Question 29

how do igneous rocks form

Answer 29

when a volcano erupts mgma comes out and when the magma cools it becomes a igneous rock

Question 30

what happens if it cools quickly

Answer 30

it has small crystals.if it cools slower the longer

Question 31

how do sedimentry rocks form

Answer 31

when other rocks crumble the particles are carried away by wind or water and they form a layer edventually these layers become rocks by pressure