WorksheetsStar Dust
Total questions: 33
Worksheet time: 11mins
Name
Class
Date
1.
Which Element has 3 Valence Electrons?
a)
Hydrogen / H
b)
Neon / Ne
c)
Aluminum / Al
d)
Nitrogen / N
2.
_________________ are Negatively charged particle that moves around the nucleus.
a)
Molecules
b)
protons
c)
neutrons
d)
Electrons
3.
Atomic Mass Represents the Total Mass of an atom of a specific____________.
a)
electron
b)
nucleus
c)
Molecule
d)
Element
4.
_________________ are particles with no charge located in the nucleus of an atom.
a)
Molecules
b)
protons
c)
Electrons
d)
neutrons
5.
A negatively charged particle that moves around the nucleus.
a)
nucleus
b)
Electron
c)
Proton
d)
Neutron
6.
How many Electrons can be in the first Energy level around the Nucleus of any Atom?
a)
16
b)
4
c)
2
d)
8
7.
Which Element has 10 Electrons?
a)
Hydrogen / H
b)
Aluminum / Al
c)
Nitrogen / N
d)
Neon / Ne
8.
How many Electrons can be in the Third Energy level around the Nucleus of any Atom?
a)
2
b)
6
c)
8
d)
4
9.
Mass is a measure of the amount of_______________in an object.
a)
elements
b)
protons
c)
Matter
d)
electrons
10.
Matter is anything that has _________________ and takes up space by having volume.
a)
mass
b)
molecules
c)
Protons
d)
matter
11.
Neutrons have _________________ mass than protons.
a)
the same
b)
equal
c)
Slightly More
d)
slightly Less
12.
Electron ______________________ are regions surrounding the nucleus containing a specific number of electrons
a)
sparks
b)
Shells
c)
spaces
d)
circles
13.
Protons have ____________ mass than neutrons.
a)
equal
b)
the same
c)
slightly More
d)
slightly Less
14.
The _________________ of an electron is less than one thousandth of the mass of a proton.
a)
Atomic Mass
b)
weight
c)
Mass
d)
Symbol
15.
What is the number of Valence Electrons in Oxygen?
a)
12
b)
8
c)
4
d)
6
16.
The Atomic Number represents the number of Protons in an ________ of an element
a)
Neutron
b)
Atom
c)
molecule
d)
Kilogram
17.
The basic unit of matter or the smallest particle of an element
a)
Atom
b)
compound
c)
Molecule
d)
electron
18.
The Nucleus is always?
a)
round
b)
Positively charged
c)
Negatively charged
d)
layered in shells
19.
The number of protons in the nucleus of an atom.
a)
Atomic Mass
b)
weight
c)
Atomic number
d)
Symbol
20.
Mass is usually measured in _______________________.
a)
Tbs. Tablespoons
b)
Kg Kilograms or g Grams
c)
Gal Gallons
d)
L liters
21.
The_______________ is the positively charged dense center of an atom that contains protons and neutrons.
a)
Matter
b)
Nucleus
c)
Valence shell
d)
Atomic Mass
22.
To find the number of neutrons in an atom subtract the _________________ _______ from the Atomic mass.
a)
valence Electorns
b)
Atomic Number
c)
number of electorns
d)
orbitals
23.
What kind of Atom has 7 Electrons surrounding its Nucleus
a)
Aluminum / Al
b)
Nitrogen / N
c)
Neon / Ne
d)
Hydrogen / H
24.
What are the positively charged particles located in the nucleus of an atom.
a)
Protons
b)
Electrons
c)
Molecules
d)
Electrons
25.
What do you call an atom or molecule that has an electrical charge because it has gained or lost electrons.
a)
Proton
b)
Element
c)
Ion
d)
Neuron
26.
What do you call particular region where electrons can orbit a nucleus?
a)
Radiation
b)
north Pole
c)
Southern
d)
Energy level / Electron Shell
27.
What do you call the particle with no charge located in the nucleus of an atom.
a)
Molecules
b)
protons
c)
Electrons
d)
Neutron
28.
What do you call the total mass of the protons and the neutrons in the nucleus of an atom.
a)
Atomic Mass
b)
Atomic Number
c)
radioactive
d)
Groups
29.
what is a pure substance that cannot be broken down into simpler substances by ordinary chemical means?
a)
Element
b)
Atoms
c)
Chemistry
d)
Compounds
30.
What is the number of Protons in Oxygen?
a)
8
b)
2
c)
4
d)
12
31.
What do you call the electrons found in the outermost energy level of an atom.
a)
Valence electrons
b)
Outside ones
c)
Free Electrons
d)
Static Electricity
32.
What is the total number of Electrons in Oxygen?
a)
8
b)
2
c)
4
d)
12
33.
Which Element has 13 protons?
a)
Hydrogen / H
b)
Neon / Ne
c)
Nitrogen / N
d)
Aluminum / Al
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