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2019-20 Atoms - Periodic Table Review

Total questions: 39

Worksheet time: 24mins

Name
Class
Date
1.
All matter is made of
a)
atoms
b)
cells
2.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
3.
A neutron has a charge of
a)
+2
b)
No charge
c)
-1
d)
+1
4.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
5.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
6.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
7.
Which two subatomic particles are found in the NUCLEUS of at atom?
a)
protons & nuetrons
b)
protons & electrons
c)
neutrons & electrons
d)
electrons & protons
8.
What type of subatomic particles are found in the cloud?
a)
neutrons
b)
electrons
c)
protons
d)
reactions
9.
Which type of subatomic particles have the LEAST amount of mass?
a)
protons
b)
electrons
c)
neutrons
d)
nucleus
10.
If an element has 6 protons, 7 neutrons, and 6 electrons, what type of charge does the element have?
a)
positive
b)
negative
c)
neutral
d)
imaginary
11.
What does the 1 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
12.
A "pure" substance that cannot be separated or broken down into simpler substances
a)
Compound
b)
Mixture
c)
Period
d)
Element
13.

What are valence electrons?

a)

Any of an atom's electrons

b)

Electrons located on the first energy level

c)

Electrons not attached to any atom

d)

electrons located on the outer energy level

14.
Use your periodic table to answer the following question.
Which of the following atoms has 14 electrons?
a)
Carbon (C)
b)
Silicon (Si)
c)
Sulfur (S)
d)
Argon (Ar)
15.
An element with an atomic number of 37 and an atomic mass of 85 has how many neutrons in each atom?
a)
37
b)
48
c)
85
d)
122
16.
What makes an atom have a positive charge?
a)
more electrons than protons
b)
more neutrons than electrons
c)
more protons than electrons
d)
less protons than electrons
17.
How do you find the number of neutrons in an atom?
a)
It is also the atomic number
b)
It is also the atomic mass
c)
Add the atomic mass and the atomic number
d)
Subtract the atomic number from the atomic mass
18.
What is an Ion?
a)
an atom with a charge
b)
a neutral atom
c)
an aNion
d)
a Cation
19.
Before electrons absorb energy they are...
a)
in the excited state
b)
They do not change
c)
smaller
d)
in the ground state
20.
The excited state of electrons...
a)
is stable
b)
does not exist
c)
is permanent
d)
is temporary
21.

Which of the following statements accurately describes the structure of the atom

a)

The protons are located in the nucleus and the electrons and neutrons are located outside the nucleus

b)

The protons and neutrons are located in the nucleus and the electrons are located outside the nucleus.

c)

Protons, neutrons, and electrons are all located in the nucleus.

d)

The electrons are located in the nucleus and the protons and neutrons are located outside the nucleus.

22.

What is it called when electrons absorb energy and move to an orbital with higher energy.

a)

Ground state

b)

Excited state

c)

Absorption rate

d)

Quantum

23.
For an electron to change from ground state to an excited stated it must...
a)
Absorb energy
b)
Release energy
24.
Light is emitted when an electron moves from the ________ state to the _________ state
a)
excited, ground
b)
ground, excited
25.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
26.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
27.

How many different kinds of particles (substances) make up water?

a)

1

b)

2

c)

3

d)

depends on how much water there is

28.

Carbon-13 and Carbon-14 are examples of _______________ for the carbon element.

a)

indicators

b)

ions

c)

isotopes

d)

isomeers

29.

Group 1 elements (in red) are ____________.

a)

very reactive

b)

unreactive

c)

nonmetals

d)

all gases

30.

Elements in group 18 (in purple)are called ____________.

a)

alkali metal

b)

alkaline earth metals

c)

halogens

d)

noble gases

31.

What is the mass of a neurton?

a)

1 atomic mass unit (amu)

b)

they have no mass

c)

2 atomic mass units (amu)

d)

1/2000 of an atomic mass unit

32.

What is the mass of a proton?

a)

1 atomic mass unit (amu)

b)

2 atomic mass units (amu)

c)

1/2000 of an atomic mass unit (amu)

d)

they have no mass

33.

What is the mass of an electron?

a)

1 atomic mass unit (amu)

b)

2 atomic mass units (amu)

c)

they have no mass

d)

1/2000 of an atomic mass unit (amu)

34.

The main role of the neutron is to _____________.

a)

determine the element's identity

b)

determine the element's reactivity

c)

hold the nucleus together

35.

Which is NOT a proper element symbol?

a)

Bo

b)

Te

c)

U

d)

CE

36.

TRUE or FALSE:

All pure substances are elements.

a)

TRUE

b)

FALSE

37.

The row on the periodic table tells you the number of ________.

a)

protons

b)

gases

c)

nuclei

d)

electron shells

38.

A column on the periodic table groups elements with similar ___________.

a)

colors

b)

atomic weights

c)

properties

d)

neutrons

39.

When you added Magnesium Sulfate, Water, and Hydrochloric Acid together a chemical reaction occurred and a precipitate was formed. How many different unique particles (substances) were there in this chemical reaction?

a)

5

b)

4

c)

3

d)

there is not enough information

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