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STEHN Test Review NHS

Total questions: 60

Worksheet time: 32mins

Name
Class
Date
1.
This class of elements are sometimes called "semiconductors."
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Groups
2.
Most of the elements on the periodic table are classified as _____.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Periods
3.
These are found on the Periodic Table.
a)
Compounds
b)
Elements
c)
Mixtures
4.

______________ refers to the way a metal can be hammered or rolled into thin sheets.

a)

Luster

b)

Malleable

c)

Metalloids

d)

Solid

5.

This group of elements have properties that are opposite those of metals. ______________________

a)

luster

b)

nonmetals

c)

metalloids

d)

metals

6.

This group of elements sit along a stair step line on the periodic table and have properties of both metals and nonmetals. _________________________

a)

luster

b)

metals

c)

nonmetals

d)

metalloids

7.

Copper is a common metal. Which of the following properties does this metal most likely have?

a)

High conductivity, high malleability, and low luster

b)

Low conductivity, low malleability, and low luster

c)

High conductivity, high malleability, and high luster

d)

Low conductivity, high malleability, and high luster

8.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
9.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
10.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
11.
a)
Periods
b)
Groups
12.
a)
Periods
b)
Groups
13.
a)
Same group
b)
Same period
14.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
15.
The blue atoms are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
16.

What does the C represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

17.

What does the 6 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

18.

What does 12.011 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

19.

The Modern Periodic Table of Elements is arranged by

a)

atomic mass

b)

atomic number

c)

valence electrons

d)

number of isotopes

20.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

21.

Which of the following are physical properties of metal?

a)

Luster

b)

Conductivity

c)

Malleability

d)

Ductility

22.

Which of the following could be properties of nonmetals?

a)

Poor electrical conductivity

b)

Poor thermal conductivity

c)

Dullness

d)

Brittleness

23.

These two elements have similar chemical properties to Barium (Ba).

a)

Ca and Ra, because they are in the same group.

b)

Cs and La, because they are in the same period number.

c)

Ca and Y, because they are 90 degree angle.

24.
a)
12
b)
7
c)
8
d)
14
25.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
26.

Atomic number of ANY element tells you all of the below:

1. Atomic number 2. Number of Electrons 3. # of Protons

a)

False

b)

True

c)

No

d)

Toothpaste

27.

Which of the 3 atomic items determines the charge of the atom?

a)

Gallium

b)

Proton

c)

Electron

d)

Neutron

28.

If i count all the electrons in a diagram, i know it atomic number. I can see what element it is on the periodic table

a)

True

Electrons tell you the atomic number

b)

False

Electrons don't tell you anything

c)

Its just a theory

d)

A diagram?

29.

The bottom number, is the mass number. You can subtract the top # from the bottom number and it gives you the number of neutrons

a)

False

b)

Electrons

c)

True

d)

Charge

30.

What part of the atom give the atom its mass?

a)

Protons

b)

Protons and neutrons

c)

Electrons

d)

Neutrons

31.

What part of the atom make it REACTIVE?

a)

Neutrons

b)

Inner Electrons

c)

Valence Electrons

d)

Protons

32.

Tin (Sn) is a very soft metal. Which statement describes atoms of tin?

a)

Has 5 valance electrons

b)

Has 68 Electrons

c)

Has 50 Protons

d)

Has 119 Neutrons

33.

The rows are called PERIODS. They also show the:

a)

Energy Levels

b)

Melting Points

c)

Boiling Points

d)

Nothing

34.

ALL noble gases in the last column (Group) have the Valence shell filled with 8 electrons

a)

Green

b)

False

c)

True

d)

Blue

35.

In a BOHR model of an atom, the the first ring has 2 MAX electrons

a)

True

b)

False

c)

Green

d)

Blue

36.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

37.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

38.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

39.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

40.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

41.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

42.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

43.

Atoms of the same element that have different number of neutrons are called?

a)

molecules

b)

ions

c)

protons

d)

isotopes

44.

Two different isotopes of an element have different _________

a)

numbers of neutrons

b)

numbers of protons

c)

atomic numbers

d)

nothing is different about them

45.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
46.

Halogens have how many valence electrons? ( outer shell)?

a)

2

b)

1

c)

8

d)

7

47.

An ion is an atom that has an electrical charge.

a)

true

b)

false

48.

Electrons have a positive charge.

a)

true

b)

false

49.

Atoms have a total charge of zero if the number of protons and the number of electrons are equal.

a)

true

b)

false

50.

If the atom as more electrons, it is left with a negative charge.

a)

true

b)

false

51.

If the atom has more protons, it is left with a negative charge.

a)

true

b)

false

52.

We use the sign "+" next to the atom's symbol to show that the ion has a positive charge.

a)

true

b)

false

53.

We use the "-" sign next to the atom's symbol to show that the ion has a negative charge.

a)

true

b)

false

54.

When an atom gains a valence electron, it becomes a(n) _____________ ion.

a)

positive

b)

negative

c)

neutral

55.

When an atom loses a valence electron, it becomes a(n) _____________ ion.

a)

positive

b)

negative

c)

neutral

56.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
57.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
58.

What is the Lewis dot structure for a neutral atom of bromine (35Br)?

a)

The element symbol Br with 7 dots around it.

b)

The element symbol Br with 8 dots around it.

c)

The element symbol Br with 5 dots around it.

d)

The element symbol Br with 35 dots around it.

59.

What is the Lewis dot structure for a neutral atom of sodium (11Na)?

a)

The element symbol Na with 11 dots around it.

b)

The element symbol Na with 8 dots around it.

c)

The element symbol Na with 1 dot around it.

d)

The symbol Na with 2 dots around it.

60.

What is the Lewis dot structure for a neutral atom of carbon (6C)?

a)

The element symbol C with 5 dots around it.

b)

The element symbol C with 4 dots around it.

c)

The element symbol C with 2 dots around it.

d)

The element symbol C with 8 dots around it.

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