Intro Chemistry

Question 1

What is the molecular formula for water

Answer 1

H2O

Question 2

What elements make up water?

Answer 2

Oxygen and hydrogen

Question 3

What is a structural formula?

Answer 3

A physical representation of the molecule in space

Question 4

What color is carbon when making a model?

Answer 4

Black

Question 5

What color is nitrogen when making a model

Answer 5

Red

Question 6

What color is oxygen when making a model?

Answer 6

Blue

Question 7

What color is hydrogen when making a model?

Answer 7

White

Question 8

What is the electron bond when making a model?

Answer 8

A plastic white tube

Question 9

What does the atomic number represent

Answer 9

of protons in an atom

Question 10

What is the atomic mass?

Answer 10

Sum of the # of protons and # of neutrons

Question 11

When atoms of the same element have different numbers of neutrons they are called _______, and they affect the mass of an atom

Answer 11

Isotopes

Question 12

Outermost electrons are called?

Answer 12

Valence electrons

Question 13

Orbitals closest to the nucleus have the _______energy

Answer 13

Lowest

Question 14

Orbitals farthest away from the nucleus have the ______ energy

Answer 14

Highest

Question 15

What is the amino acid?

Answer 15

The basic structural unit of all proteins

Question 16

What are all names of sugars

Answer 16

The ones that end in -ose

Question 17

What are all names of proteins

Answer 17

The ones that end in -ine

Question 18

How do you make lactose?

Answer 18

By joining glucose and galactose together

Question 19

What are the 7 essential elements that make up 99.9% of life on earth? 6 elements and one more for humans

Answer 19

Chops + calcium

Carbon(C),hydrogen(H),oxygen(O) ,phosphorus(P), sulfur(S) and calcium(CA)

Question 20

What are the 4 basic forms of matter?

Answer 20

Plasma, solid, liquid, has

Question 21

What is the fundamental unit of matter?

Answer 21

Atoms

Question 22

What is important in bonding?

Answer 22

Electrons

Question 23

What are the three sub atomic particles

Answer 23

Protons, neutrons, electrons

Question 24

Where are neutrons found?

Answer 24

In the nucleus of an atom

Question 25

Where are protons found?

Answer 25

In the nucleus of an atom

Question 26

Where are electrons found

Answer 26

Outside the nucleus. Live in orbits or clouds

Question 27

Give an example of an element…

Answer 27

H hydrogen

Question 28

How many naturally occurring elements are on earth

Answer 28

92

Question 29

What are the four types of macromolecules?

Answer 29

Carbohydrates, fats/lipids, proteins, nucleic acid (RNA, DNA…)

Question 30

How many man made elements are there on earth

Answer 30

15

Question 31

Which is older, eukaryotic or prokaryotic?

Answer 31

Prokaryotic

Question 32

Define eukaryotic

Answer 32

Has a nucleus

Question 33

Define prokaryotic

Answer 33

Has no nucleus

Question 34

What are the 4 major types of tissues?

Answer 34

Nerve, muscle, epithelial, connective

Question 35

What are the two types of organisms

Answer 35

Invertebrate and vertebrae

Question 36

What are the 6 kingdoms?

Answer 36

Archaebacteria, eubacteria, Protista, fungi, plants, animals

Question 37

Which kingdoms from the 6 are prokaryotic

Answer 37

Archaebacteria and eubacteria

Question 38

What is the nonliving environment in ecosystems?

Answer 38

Soil, water, temperature, humidity, light

Question 39

What is homeostasis for organisms memorize completely

Answer 39

Dynamic maintenance of a steady internal state produced by physiological systems