Sci- matter

Question 1

what is matter

Answer 1

anything that has mass and takes up space

Question 2

how are the states of matter packed

Answer 2

1. solid: closely in a fixed shape
2. Liquid: closely but can slide past one another
3. Gas: lots of space between particles

Question 3

what is a solid to a gas

Answer 3

sublimation

Question 4

what is a gas to a solid

Answer 4

deposition

Question 5

how do the states of matter change

Answer 5

by gaining or losing heat energy

Question 6

what is a atom

Answer 6

smallest particle of matter that can exsist

Question 7

what is the atomic number

Answer 7

number of protons
(small number at the top)

Question 8

what is the number of protons

Answer 8

number of electrons

Question 9

What is the number of neutrons

Answer 9

mass number (small number down the bottom) - the atomic number (small number at the top)

Question 10

how many atoms can the shells hold

Answer 10

first shell (max 2 atoms)
2,3, and 4th can hold max of 8

Question 11

what is an ion

Answer 11

formed when atoms gain or lose electrons, they are electrically charged and in a group

Question 12

what is the word equation for combustion

Answer 12

fuel+oxygen—–>carbon+water+energy dioxide

Question 13

what is the word equation for complete combustion

Answer 13

hydrocarbon+oxygen—–> carbon+water dioxide

Question 14

what is the word eqaution for incomplete combustion- stage 1

Answer 14

hydrocarbon+oxygen—-> carbon+water monoxide

Question 15

What is the word equation for imcomplete combustion- stage 2

Answer 15

hydrocarbon+oxygen—-> carbon+water