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Flashcards in Intro Chemistry Deck (39):
1

What is the molecular formula for water

H2O

2

What elements make up water?

Oxygen and hydrogen

3

What is a structural formula?

A physical representation of the molecule in space

4

What color is carbon when making a model?

Black

5

What color is nitrogen when making a model

Red

6

What color is oxygen when making a model?

Blue

7

What color is hydrogen when making a model?

White

8

What is the electron bond when making a model?

A plastic white tube

9

What does the atomic number represent

# of protons in an atom

10

What is the atomic mass?

Sum of the # of protons and # of neutrons

11

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

Isotopes

12

Outermost electrons are called?

Valence electrons

13

Orbitals closest to the nucleus have the _______energy

Lowest

14

Orbitals farthest away from the nucleus have the ______ energy

Highest

15

What is the amino acid?

The basic structural unit of all proteins

16

What are all names of sugars

The ones that end in -ose

17

What are all names of proteins

The ones that end in -ine

18

How do you make lactose?

By joining glucose and galactose together

19

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

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

20

What are the 4 basic forms of matter?

Plasma, solid, liquid, has

21

What is the fundamental unit of matter?

Atoms

22

What is important in bonding?

Electrons

23

What are the three sub atomic particles

Protons, neutrons, electrons

24

Where are neutrons found?

In the nucleus of an atom

25

Where are protons found?

In the nucleus of an atom

26

Where are electrons found

Outside the nucleus. Live in orbits or clouds

27

Give an example of an element...

H hydrogen

28

How many naturally occurring elements are on earth

92

29

What are the four types of macromolecules?

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

30

How many man made elements are there on earth

15

31

Which is older, eukaryotic or prokaryotic?

Prokaryotic

32

Define eukaryotic

Has a nucleus

33

Define prokaryotic

Has no nucleus

34

What are the 4 major types of tissues?

Nerve, muscle, epithelial, connective

35

What are the two types of organisms

Invertebrate and vertebrae

36

What are the 6 kingdoms?

Archaebacteria, eubacteria, Protista, fungi, plants, animals

37

Which kingdoms from the 6 are prokaryotic

Archaebacteria and eubacteria

38

What is the nonliving environment in ecosystems?

Soil, water, temperature, humidity, light

39

What is homeostasis for organisms *memorize completely*

Dynamic maintenance of a steady internal state produced by physiological systems