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Partial 1 Chemistry

Total questions: 65

Worksheet time: 34mins

Name
Class
Date
1.

Matter is...

a)

Everything with mass and takes up space

b)

Can be transformed, cause a change or perform work

c)

Everything that surrounds us

d)

Biogeochemical cycles

2.

Energy ...

a)

Can be transformed, cause a change or perform work

b)

Everything with mass and takes up space

c)

Everything that surrounds us

d)

Biogeochemical cycles

3.

Environment is...

a)

Can be transformed, cause a change or perform work

b)

Everything with mass and takes up space

c)

Everything that surrounds us

d)

Biogeochemical cycles

4.

Biogeochemical cycles are...

a)

Everything that surrounds us

b)

Maintain environment's needs

c)

Can be transformed, cause a change or perform work

d)

Everything with mass that takes up space

5.

Biotic factors:

a)

Not alive.

Ex: climate, water, fire.

b)

Alive or from something alive.

Ex: animal, plant, food, human.

6.

Abiotic factors:

a)

Not alive.

Ex: climate, water, fire.

b)

Alive or from something alive.

Ex: animal, plant, food, human.

7.

Energy flows as the ___ jump through the levels.

a)

nutrients

b)

matter

c)

90%

d)

biogeochemichal cycles

8.

Every

"jump" of trophic level decreases energy ___

a)

nutrients

b)

matter

c)

90% in heat form

d)

biogeochemichal cycles

9.

___ is transformed and reused through ___.

a)

nutrients

b)

Matter

c)

90%

d)

biogeochemichal cycles

10.

Nutrients flowing on the same trophic level.

a)

horizontal exchange

b)

mycelium networks

11.

Plant-Plant. Fungi-Plant. This is an example of:

a)

horizontal exchange

b)

mycelium networks

12.

(Self - Feeding) Makes organic compounds from inorganic

sources

a)

Autotrophy

b)

Photoautotroph

c)

Chemoautotroph

13.

(photosynthesis) Makes organic compounds using solar energy

a)

Autotrophy

b)

Photoautotroph

c)

Chemoautotroph

14.

(chemosynthesis) Makes organic compounds using energy from the oxidation of chemicals.

a)

Autotrophy

b)

Photoautotroph

c)

Chemoautotroph

15.

Other source feeding organisms

a)

Heterotrophies

b)

Consumers

c)

Detritivores

d)

Saprotrophs

e)

Mycoheterotrophs

16.

Plants that feed on mycelium networks

Ex: allotropa, monotropa, sarcodes sanguinia

a)

Heterotrophies

b)

Consumers

c)

Detritivores

d)

Saprotrophs

e)

Mycoheterotrophs

17.

Ingest non -living organic matter

Ex: earthworms

a)

Heterotrophies

b)

Consumers

c)

Detritivores

d)

Saprotrophs

e)

Mycoheterotrophs

18.

Eat non-living organic matter by secreting digestive

enzymes and absorbing

Ex: bacteria and fungi

a)

Heterotrophies

b)

Consumers

c)

Detritivores

d)

Saprotrophs

e)

Mycoheterotrophs

19.

Ingest organic matter

Ex: herbivores, carnivores, scavengers

a)

Heterotrophies

b)

Consumers

c)

Detritivores

d)

Saprotrophs

e)

Mycoheterotrophs

20.

solid to liquid

a)

melting

b)

freezing

c)

evaporating

d)

condensing

e)

sublimation

21.

liquid to gas

a)

melting

b)

freezing

c)

evaporating

d)

condensing

e)

sublimation

22.

gas to solid

a)

melting

b)

freezing

c)

evaporating

d)

condensing

e)

deposition

23.

liquid to solid

a)

melting

b)

freezing

c)

evaporating

d)

condensing

e)

deposition

24.

gas to liquid

a)

melting

b)

freezing

c)

evaporating

d)

condensing

e)

deposition

25.

solid to gas

a)

melting

b)

freezing

c)

evaporating

d)

condensing

e)

sublimination

26.

based in absolut zero with F

a)

Rankin

b)

Kelvin

27.

based in absolut zero

-273°C

a)

Rankin

b)

Kelvin

28.

Amount doesn't matter

a)

Intensive

b)

Extensive

29.

Amount MATTERS

a)

Intensive

b)

Extensive

30.

Which 3 options are physical INTENSIVE?

a)

state of matter

b)

oxidation

c)

density

d)

melting point

31.

Which 3 options are physical EXTENSIVE?

a)

length

b)

volume

c)

mass

d)

color

32.

Which 2 options are chemical INTENSIVE?

a)

color

b)

flammability

c)

oxidation

d)

volume

33.

What is an atom

a)

Pure substances made up of one kind of atom.

Ex: CO

b)

The smallest particle of matter

that makes up all elements

c)

Two or more atoms chemically combined and act as one unit.

Ex: O2

d)

Two or more atoms of different elements

chemically bonded.

Ex: H20

34.

Definition of elements.

a)

Pure substances made up of one kind of atom.

Ex: CO

b)

The smallest particle of matter

that makes up all elements

c)

Two or more atoms chemically combined and act as one unit.

Ex: O2

d)

Two or more atoms of different elements

chemically bonded.

Ex: H20

35.

A molecule is...

a)

Pure substances made up of one kind of atom.

Ex: CO

b)

The smallest particle of matter

that makes up all elements

c)

Two or more atoms chemically combined and act as one unit.

Ex: O2

d)

Two or more atoms of different elements

chemically bonded.

Ex: H20

36.

A compound is...

a)

Pure substances made up of one kind of atom.

Ex: CO

b)

The smallest particle of matter

that makes up all elements

c)

Two or more atoms chemically combined and act as one unit.

Ex: O2

d)

Two or more atoms of different elements

chemically bonded.

Ex: H20

37.

Which options are HOMOGENEOUS mixture

a)

Whipped cream

b)

Chocolate chip cookie

c)

Pizza

d)

Coffee

38.

Which options are HETEROGENEOUS mixture

a)

Whipped cream

b)

Soil

c)

Chocolate

d)

Salad

39.

The separating method for a liquid and a soluble solid

a)

Crystallization

b)

Centrifugation

c)

Distillation

d)

Chromatography

40.

The separating method for a liquid and a low density non-soluble solid

a)

Crystallization

b)

Centrifugation

c)

Distillation

d)

Chromatography

41.

The separating method for two miscible liquids with a difference in boiling point

a)

Crystallization

b)

Centrifugation

c)

Distillation

42.

The separating method for pigments

a)

Separation funnel

b)

Chromatography

c)

Filtration

d)

Decantation

43.

The separating method between between two immiscible liquid phases.

a)

Separation funnel

b)

Chromatography

c)

Filtration

d)

Decantation

44.

Separate a liquid from a

solid particle that isn't soluble in that liquid.

Filter with very small pores

a)

Separation funnel

b)

Chromatography

c)

Filtration

d)

Decantation

45.

Separates liquid trom an insoluble

solid (dense)

The denser particle has a downward

trajectory, depositing itself at the bottom of the decanter/container.

a)

Separation funnel

b)

Chromatography

c)

Filtration

d)

Decantation

46.

Separate solids with magnetic properties from others.

a)

Magnetic separation

b)

Sieving

47.

Separates small particles from bigger ones

• Uses a sieve

a)

Magnetic separation

b)

Sieving

48.

Conclusions: We can't know the exact position and speed of an electron. There is a field of probability of where it should be of 90%

a)

true

b)

false

49.

Protons are

a)

positive

b)

neutral

c)

negative

50.

Electrons are

a)

positive

b)

neutral

c)

negative

51.

If an atom has less electrons than protons, then it

will have

a)

a negative charge

b)

neutral

c)

no charge

d)

a positive charge

52.

What are the names of the orbitals?

a)

X. and Z

b)

Bohr, Pauli and

Schrödinger

c)

s, p, d, f

d)

A, Z, and X

53.

Electrons spin up and down, clock wise

or contrary

a)

true

b)

false

54.

Cations are atoms that

a)

have more protons tan electrons

b)

gained electrons, so there are

more electrons than protons

c)

same element with different atomic mass

55.

Anions are atoms that

a)

have more protons tan electrons

b)

gained electrons, so there are

more electrons than protons

c)

same element with different atomic mass

56.

Isotopes are atoms that

a)

have more protons tan electrons

b)

gained electrons, so there are

more electrons than protons

c)

have the same element with different atomic mass

57.

The farther an electron is to the nucleus , it will

have

a)

less energy

b)

more energy

c)

charge

58.

X represents

a)

Element symbol

b)

mass number

c)

neutrons

d)

atomic number (=protons and electrons)

59.

Z represents

a)

Element symbol

b)

mass number

c)

neutrons

d)

atomic number (=protons and electrons)

60.

A represents

a)

Element symbol

b)

mass number

c)

neutrons

d)

atomic number (=protons and electrons)

61.

The subtraction of A and Z

a)

Element symbol

b)

mass number

c)

neutrons

d)

atomic number (=protons and electrons)

62.

This subatomic particles are in the nucleus

a)

electrons and neutrons

b)

protons and neutrons

c)

electrons and protons

63.

These are clouds of fields of probability were we

can find the electrons

a)

nucleus

b)

spin

c)

orbitals

d)

levels of energy

64.

How many electrons can "fit" in one orbital?

a)

7

b)

2

c)

3

d)

5

65.

There are ___ levels of energy

a)

7

b)

4

c)

2

d)

5

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