WorksheetsUnit 7 Atomic Structure
Total questions: 26
Worksheet time: 13mins
An Element with 5 protons, 6 Neutrons, and 8 Electrons has a mass number of what?
8
11
6
5
The total number of Electrons in the outer shell of a Sodium atom is?
2
8
18
1
Which of the following Elements would be the best conductor of electricity?
Silicon
Silver
Argon
Iodine
An Element with 5 Protons, 6 Neutrons, and 8 Electrons has an atomic number of what?
11
6
5
8
At Room temperature most elements are what?
Solids
Liquids
Gases
Plasmas
What is the correct Electron Arrangement for Sulfur?
2-8-4
2-8-8
4-6-2
2-8-6
Atoms of the same element that have different number of neutrons are called?
Molecules
Isotopes
Ions
Protons
Which of the following elements would be most reactive?
Sliver
Iodine
Silicon
Argon
How many electrons will a neutral atom of carbon have if its nucleus has 6 protons and 8 neutrons?
2
14
6
8
The mass of the most common isotope of an element is known based on an element's _______.
Number of electrons
Average Atomic Mass
Mass Number
Atomic Number
Which of the following elements would be least reactive?
Silver
Iodine
Silcon
Argon
What is the correct symbol for an isotope of carbon with 6 protons and 6 Neutrons
6C6
12^C
6^C
12C
Which part of the Periodic Table indicates the number of energy levels in the Electron Cloud?
Valence Electrons
Period
Group
Family
Two Different isotopes of an element have different what?
Atomic Numbers
Number Of Neutrons
Nothing is different about them
Number of protons
What is an Atoms Nucleus made of?
Protons only
Protons and Neutrons
Neutrons Only
Protons and Electrons
Why is an Atom Neutral?
The number of Protons and Electrons are equal
The number of Protons and Neutrons are equal
Neutrons balance the Protons and Electrons
Nuclear Forces Stabalize the charges
The farther an Electron is from the Nucleus the more what does it have?
Mass
Energy
Charge
Size
Atoms of elements in the same group of the Periodic Table share the same what?
Number of Energy Levels
Atomic Numbers
Number of Valence Electrons
Atomic Masses
An unstable Nucleus from to many or too few of what?
Neutrons
Electrons
Radons
Pardons
Two different Isotopes of an element have the same what?
Nothing is the same about them
Mass Numbers
Number of Neutrons
Number of Protons
Boron, carbon, nitrogen and oxygen are all members of the same?
Period
Group
Family
Valence Level
Which of the following is a Transition Metal?
Alluminum
Tellurium
Nickel
Calcium
Which Statement about the arrangement of the Periodic Table is not true?
Metals are found on the left side of the Periodic Table
Rare Earth metals are in the first Collumn on the Left
Noble Gases are in the group farthest to the right
Transition metals are in the center of the Periodic Table
Which Particles determine the atomic number of an Element?
Neutrons Only
Neutrons and Protons
Protons Only
Protons and Electrons
The maximum number of electrons that can occupy the 2nd shell of an atom of magnesium is?
8
18
2
1
Hydrogen is in group 1 with lithium, sodium, potassium, rubidium, cesium, and francium because it what?
Is a Metal
Has 1 Valence Electron
Has 1 Energy Level
It is a Gas
