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03b - Ions and Isotopes

Total questions: 25

Worksheet time: 18mins

Name
Class
Date
1.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
2.
Anions are...
a)
Positive
b)
Negative
c)
Neutral
d)
Crying
3.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
4.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
5.
Which particles change the charge in atoms when ions are formed?
a)
Protons
b)
Electrons
c)
Neutrons
d)
Kittens
6.

The number of _______ per atom is always the same for a given element.

a)

protons

b)

neutrons

c)

electrons

d)

quarks

7.
Valence electrons are: 
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
8.

What is an anion's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element's charge

9.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and atomic mass
10.

which atom has 4 neutrons?

a)

Li-6

b)

Li-7

c)

Li-8

d)

they have the same # of neutrons

11.
What charge does a neutron have?
a)
positive
b)
negative
c)
no charge
d)
neutral
12.
What charge does an electron have?
a)
positive
b)
negative
c)
neutral
d)
no charge
13.
What charge does a proton have?
a)
positive
b)
negative
c)
no charge
d)
neutral
14.

Where are neutrons located in the atom?

a)

shells/orbitals

b)

rings

c)

the cloud

d)

nucleus

15.

A hydrogen atom with one neutron is called

a)

hydrogen

b)

deuterium

c)

tritium

16.

A hydrogen atom with two neutron is called

a)

hydrogen

b)

deuterium

c)

tritium

17.

Isotopes of a given element have the same number of ______________.

a)

protons

b)

neutrons

18.

Isotopes are named for their

a)

mass number

b)

atomic number

c)

number of protons

d)

inventors

19.

Choose the answer that is NOT an isotope.

a)

Carbon-13

b)

Carbon-12

c)

Carbon-6

d)

Carbon-14

20.

How many neutrons does a normal atom of hydrogen have?

a)

0

b)

1

c)

2

d)

3

21.
If an atom has an extra neutron, it is a(n)
a)
Positive ion
b)
Negative ion
c)
Isotope
d)
Neutral Atom
22.
If an atom gains an electron it is a(n)
a)
Positive ion
b)
Negative ion
c)
Isotope
d)
Neutral Atom
23.
If an atom loses an electron it is a(n)
a)
Positive ion
b)
Negative ion
c)
Isotope
d)
Neutral Atom
24.

What is a representation of an ion?

a)

Li

b)

Na-22

c)

O-2

25.

What is the mass number of bromine?

a)

35

b)

45

c)

80

d)

79.904

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