science

Question 1

element 1

Answer 1

hydrogen

Question 2

element 2

Answer 2

helium

Question 3

element 3

Answer 3

lithium

Question 4

element 4

Answer 4

beryllium

Question 5

element 5

Answer 5

boron

Question 6

element 6

Answer 6

carbon

Question 7

element 7

Answer 7

nitrogen

Question 8

element 8

Answer 8

oxygen

Question 9

element 9

Answer 9

fluorine

Question 10

element 10

Answer 10

neon

Question 11

element 11

Answer 11

sodium

Question 12

element 12

Answer 12

magnesium

Question 13

element 13

Answer 13

aluminum

Question 14

element 14

Answer 14

silicon

Question 15

element 15

Answer 15

phosphorus

Question 16

element 16

Answer 16

sulfur

Question 17

element 17

Answer 17

chlorine

Question 18

element 18

Answer 18

argon

Question 19

element 19

Answer 19

potassium

Question 20

element 20

Answer 20

calcium

Question 21

electron configuration for calcium

Answer 21

1s²2s²2p⁶3s²3p⁶4s²
OR
4s²

Question 22

whats an atom

Answer 22

smallest unit in a thing

Question 23

whats an elementussy

Answer 23

has to be the same type of atom

Question 24

compound vs mixturussy

Answer 24

compounds have groups of molecules, each molecule can have different or the same type of atoms
mixture is like groups of other sht such as molecules/compounds that are different from each other