Basic Chemistry of life

Question 1

all living and nonliving things are made up of…

Answer 1

matter

Question 2

anything that has mass and volume

Answer 2

matter

Question 3

what three parts are atoms made of?

Answer 3

Protons
Neutrons
Electrons

Question 4

protons and neutrons are found in…

Answer 4

nucleus

Question 5

electrons move around the nucleus in the…

Answer 5

electron cloud

Question 6

a substance that can’t be broken down into a simpler substance

Answer 6

Element

Question 7

how many types of atoms are in an element?

Answer 7

one

Question 8

represents an element

Answer 8

symbol

Question 9

has information about elements

Answer 9

periodic table

Question 10

how many elements occur naturally?

Answer 10

92

Question 11

how many elements are important for life?

Answer 11

25

Question 12

6 elements basic to life

Answer 12

Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
Sulfur

Question 13

Compound formulas tell you…

Answer 13

type of atom
number of atoms

Question 14

atoms taking of giving electrons

Answer 14

chemical bonds

Question 15

are electrons shared evenly?

Answer 15

No, they are closer to the oxygen than hydrogen

Question 16

oxygen takes a ___ charge

Answer 16

negative

Question 17

hydrogen takes _____ charge

Answer 17

positive

Question 18

water is a _____ molecule

Answer 18

polar

Question 19

a molecule with an unequal distribution of charge
have positive and negative end

Answer 19

polar molecule

Question 20

positive and negative things _____ one another

Answer 20

attract

Question 21

oxygen ( - or +)

Answer 21

negative

Question 22

hydrogen (- or +)

Answer 22

positive

Question 23

weak attraction berween the chatges of hydrogen and oxygen

Answer 23

Hydrogen bond