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Form 1W Review

Total questions: 60

Worksheet time: 35mins

Name
Class
Date
1.

The smallest piece of an element:

a)

quark

b)

electron

c)

shell

d)

atom

2.

The subatomic particles are called:

a)

protons, nucleus and electrons

b)

protons, electrons and neutrons

c)

protons, positives and negatives

d)

cloud, shell and quarks

3.

The abbreviation for an element:

a)

element name

b)

atomic number

c)

chemical symbol

d)

atomic symbol

4.

Who invented the simplified version of the atom?

a)

Dmitri Mendeleev

b)

Niels Bohr

c)

Sir Isaac Newton

d)

Albert Einstein

5.

The scientist who invented the classification system for the elements:

a)

Dimitri Mendeleev

b)

Niels Bohr

c)

Sir Isaac Newton

d)

Albert Einstein

6.

The rows or periods on the periodic table describe:

a)

the same number of outer electrons

b)

the same number of shells

c)

the same number of protons

d)

the same mass

7.

The columns on the periodic table that are color coded and describe the number of electrons in the outer shell of the atomic structure of the element:

a)

families

b)

groups

c)

periods

8.

A substance that cannot be broken down any further without losing its properties.

a)

Compound

b)

Mixture

c)

Element

d)

Suspension

9.

How many protons does Helium (He) have?

a)

1

b)

2

c)

3

d)

4

10.

What is the atomic symbol for Carbon?

(a)  

11.

Which of the following elements is a non-metal in group 14?

a)

Carbon (C)

b)

Silicon (Si)

c)

Tin (Sn)

d)

Lead (Pb)

12.

Which pair of elements would most likely have similar properties?

a)

Calcium (Ca) and cobalt (Co)

b)

sodium (Na) and chlorine (Cl)

c)

boron (B) and phosphorus (P)

d)

oxygen (O) and sulfur (S)

13.

Which two elements are in the same period?

a)

boron (B) and lithium (Li)

b)

beryllium (Be) and calcium (Ca)

c)

phosphorus (P) and oxygen(O)

d)

boron (B) and phosphorus (P)

14.

Which arrow shows the direction of the groups on the

Periodic Table?

a)
b)
c)
15.

The atomic number is the same as

the---

a)

atomic mass

b)

group number

c)

number of protons

d)

period number

16.

Find the element on Period 3 and Group 17. What is

this element’s chemical symbol?

a)

F

b)

Br

c)

Cl

d)

I

17.

The periodic table is organized in horizontal rows called...

a)

Groups

b)

Periods

c)

Families

d)

Chemical Symbols

18.

What element is circled?

a)

Halogen

b)

Helium

c)

Hydrogen

d)

Hallium

19.

What determines the order of elements on today's periodic table?

a)

increasing atomic mass

b)

decreasing atomic mass

c)

increasing atomic number

d)

decreasing atomic number

20.

Look at the periodic table. Which list of elements forms a group on the periodic table?

a)

Li, Be, B, C, N, O, F, and Ne

b)

He, Ne, Ar, Kr, Xe, and Rn

c)

B, Si, As, Te, and At

d)

Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Ni, and Zd

21.

What is one similarity among elements in a group?

a)

atomic mass

b)

atomic weight

c)

chemical properties

d)

practical uses

22.

Where are most nonmetals located on the periodic table?

a)

in the bottom row

b)

on the left side and in the middle

c)

on the right side

d)

in the top row

23.

How are elements organized in the periodic table ?

a)

Alphabetically

b)

Based on physical and chemical properties

c)

Increasing number of electrons

d)

Most reactive to least reactive

24.

Which of the following pairs shows the LARGEST atomic size element FIRST?

a)

Ge, Ni

b)

Si, Ar

c)

Rb, I

d)

Hg, Ba

25.

How many periods are there in the periodic table?

a)

7

b)

9

c)

10

d)

18

26.

Which element would follow the pattern: Sn, Ru, Rb?

a)

Zn

b)

Ge

c)

Tc

d)

Re

27.

Identify the unknown atom.

a)

Flourine

b)

Beryllium

c)

Boron

d)

Helium

28.

The substance made during a chemical reaction is

a)

Reactant

b)

Residue

c)

Pure element

d)

Product

29.

What is a compound?

a)

Two different elements bonded together.

b)

Two of the same elements bonded together.

c)

A mixture of different substances.

d)

Two substances stuck together with glue.

30.
The tiniest bit of water that still is water is a molecule of water.
a)
True
b)
False
31.
An oxygen molecule usually has two oxygen atoms.
a)
True
b)
False
32.
Hydrogen is a compound.
a)
True
b)
False
33.
Carbon dioxide is a compound.
a)
True
b)
False
34.
Salt is an example of a compound.
a)
True
b)
False
35.

Two or more atoms joined together make up a _____.

a)

atom

b)

molecule

c)

solution

36.
The smallest unit of a compound is a ___.
a)
molecule
b)
atom
c)
matter
37.
What is the picture displayed?
a)
atom
b)
element
c)
molecule/compound
d)
cells
38.
Air is a mixture of several different kinds of molecules.
a)
True
b)
False
39.
The properties of a compound are always the same as the properties of the elements in the compound. 
a)
True
b)
False
40.

What is a molecule?

a)

two elements bonded together (sharing electrons)

b)

a mixture of different substances

c)

smallest individual particles

d)

salt mixed in water

41.

Which of the following is a chemical formula?

a)

H2SO4

b)

Si

c)

Hg

d)

C

42.

Which of the following is a chemical symbol?

a)

H2O

b)

O

c)

NaCl

d)

FeO

43.

An atom has 4 protons.

How many electrons does it have if the atom has a -1 charge?

a)

6

b)

5

c)

4

d)

3

44.

What is an ion?

a)

a charged atom

b)

an atom with different neutrons

c)

atoms with no protons

d)

atoms with no electrons

45.

Atoms combine to make (a)   .

46.

Is this a compound or element?

a)

compound

b)

element

47.

Is this a compound or element?

a)

compound

b)

element

48.

How many elements are in C4H6O3?

a)

1

b)

2

c)

3

d)

4

49.

How many atoms are in C4H6O3?

a)

10

b)

11

c)

12

d)

13

50.

How many elements are in NaCl?

a)

1

b)

2

c)

3

d)

4

51.

How many atoms are in NaCl?

a)

1

b)

2

c)

3

d)

4

52.

How many elements are in LiHe?

a)

1

b)

2

c)

3

d)

4

53.

How many atoms are in LiHe?

a)

2

b)

3

c)

4

d)

1

54.

Oxygen gas is NOT a compound because...

a)

it has more than 1 element

b)

it is a molecule

c)

it only consists of 1 element

d)

its red

55.

Examples of compounds.

(Select all that apply)

a)
b)
c)
d)
56.

An example of a physical change is which of the following?

a)
b)
c)
d)
57.

This is an example of what kind of change?

a)

explosive change

b)

chemical change

c)

density change

d)

physical change

58.
When you heat matter, what happens to the atoms and molecules?
a)
they move faster 
b)
they move slower
c)
they stop moving
d)
they stay the same
59.
In a solid, the molecules are - 
a)
close together
b)
moving around
c)
moving fast
60.

When you cool matter, what happens to the atoms and molecules?

a)

they move faster

b)

they move slower

c)

they stop moving

d)

they stay the same

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