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Question 1

What is matter?

Answer 1

Anything that occupies space and has weight

Question 2

What is an element?

Answer 2

Pure substance that cannot be broken down into other substances

Question 3

What are trace elements?

Answer 3

Elements that humans need less than 1% of

Question 4

What are 96% of living matter in our bodies?

Answer 4

HONC- hydrogen, oxygen, nitrogen, carbon

Question 5

What is an atom?

Answer 5

Smallest unit of an element that still has the same chemical properties

Question 6

Protons?

Answer 6

Positive charge

Question 7

Neutrons?

Answer 7

No charge

Question 8

Electrons?

Answer 8

Negative charge

Question 9

What is a molecule?

Answer 9

2 or more atoms coming together

Question 10

What is a compound?

Answer 10

2 or more elements together in a fixed ration

Question 11

Atomic #?

Answer 11

Number of protons and electrons

Question 12

Atomic mass?

Answer 12

Protons + neutrons

Question 13

How many electrons on 1st shelf?

Answer 13

2

Question 14

How many electrons on 2nd shelf?

Answer 14

8

Question 15

How many electrons on 3rd shelf?

Answer 15

18

Question 16

What are valence electrons?

Answer 16

Outermost energy shell, when it is full the atom is non-reactive

Question 17

What are isotypes?

Answer 17

Elements that have the same number of protons but different number of neutrons

Question 18

What is an ionic bond?

Answer 18

Electrons get passed to another element

Very weak

Question 19

What is a covalent bond?

Answer 19

Strong

Share electrons

Question 20

What are polar covalent bonds?

Answer 20

Unequally sharing electrons (will be a charge)

Question 21

What are non polar covalent bonds?

Answer 21

Equal sharing

Question 22

What are hydrogen bonds?

Answer 22

Attractive interaction of a hydrogen with an electronegative atom
Weak by itself
Strong with others