Science test

Question 1

Definition of matter

Answer 1

anything that occupies space and has mass

Question 2

Matter flow chart

Answer 2

https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.zenflowchart.com%2Fguides%2Fmatter-flowchart&psig=AOvVaw3uZGB1GkSHHyipQo-iSrIE&ust=1695787535000000&source=images&cd=vfe&opi=89978449&ved=0CA0QjRxqFwoTCOjL0IGzx4EDFQAAAAAdAAAAABAD

Question 3

homogeneous mixture

Answer 3

Black coffee, water, air, steel, and saltwater.

Question 4

Heterogeneous mixture

Answer 4

sand, oil and water, chicken noodle soup, and cement.

Question 5

Elements

Answer 5

Na, CI2, H, O2

Question 6

Compounds

Answer 6

NaCI, H2O…

Question 7

volume=

Answer 7

mass divided by density

Question 8

Density=

Answer 8

mass divided by volume

Question 9

law of conservation of mass

Answer 9

the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.

Question 10

Isotopes

Answer 10

Atoms with the same number of protons but different numbers of neutrons are called isotopes.

Question 11

Vertical

Answer 11

Groups

Question 12

Horizontal

Answer 12

Periods

Question 13

alkali metals

Answer 13

group 1

Question 14

nonmetals

Answer 14

hydrogen

Question 15

alkaline earth metals

Answer 15

group 2

Question 16

metalloids

Answer 16

along line W

Question 17

the 4 energy levels

Answer 17

S,P,D,F

Question 18

connection to energy/level shells

Answer 18

bohr model describing

Question 19

Halogens

Answer 19

group 17

Question 20

Noble gases

Answer 20

group 18

Question 21

Transition metals

Answer 21

middle except for bottom two left corner

Question 22

Rare metals

Answer 22

Top 3 middle left top corner and first row on bottom row.

Question 23

valence electrons

Answer 23

number of electrons on outermost shell

Question 24

evidence of chemical change

Answer 24

release light, temperature change, odor change, color change, release gas, precipitate.

Question 25

hyphen form

Answer 25

Neon-10

Question 26

Nuclear form

Answer 26

10Ne

Question 27

average atomic mass

Answer 27

lower number on periodic chart

Question 28

changing states of matter diagram

Answer 28

https://www.google.com/url?sa=i&url=https%3A%2F%2Fm.youtube.com%2Fwatch%3Fv%3DuWUK07GleQY&psig=AOvVaw2_rXJ44ZtIOULAEz59MCrN&ust=1695790618740000&source=images&cd=vfe&opi=89978449&ved=0CA0QjRxqFwoTCIjXjb6-x4EDFQAAAAAdAAAAABAD

Question 29

Heat of fusion diagram

Answer 29

https://www.google.com/url?sa=i&url=https%3A%2F%2Fchemistrytalk.org%2Fheat-of-fusion-explained%2F&psig=AOvVaw1377OaykUznsKRo0vfHk8F&ust=1695790671202000&source=images&cd=vfe&opi=89978449&ved=0CA0QjRxqFwoTCIjPoP6-x4EDFQAAAAAdAAAAABAD

Question 30

4 states of matter

Answer 30

solid, liquid, gas, plasma

Question 31

Potential VS kinetic energy

Answer 31

one is the energy of what can be and one is the energy of what is.

Question 32

kinetic molecular theory

Answer 32

explains the states of matter, and is based on the idea that matter is composed of tiny particles that are always in motion