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WorksheetsAtoms, Atomic bonding, and Elements quiz
Total questions: 20
Worksheet time: 11mins
What is a substance that cannot be broken down by physical and chemical means?
Electron
Proton
Element
Atom
True or false
Atoms are the smallest particle of an element that has all the characteristics of that element
(a)
What are 3 particles that are in an atom?
Protons, Neutrons, Electrons
Protons, Muons, Electrons
Electrons, Photons, Gluons
Leptons, Protons, Neutrons
What is a mass number?
Combined number of electrons in an element
Combined number of protons and neutrons
Combined number of atoms in an element
Combined number of electrons and neutrons
What is an atomic number?
Number of protons in an atoms nucleus
Number of electrons in an atoms nucleus
Number of neurons in an atoms nucleus
True or false
The area of an atom represents where a proton is most likely to be found
(a)
How many electrons can the third energy level hold?
2
32
8
18
What are elements called when they don't combine easily with other elements?
(a)
What are the two most abundant elements in the universe?
Calcium and Iron
Carbon and Sodium
Hydrogen and Helium
Aluminum and Carbon
True or false
Chemical bonds are the forces that hold elements together in a compound creating a state of stability
(a)
When is an atom most chemically stable?
When its outermost energy is low
when its innermost energy is full
when its outermost energy is full
when its innermost energy is low
What is the type of bonding is this:
Is the attraction of two atoms for a shared pair of electrons that hold the atoms together
Covalent
Ionic
Metallic
Hydrogen
Finish the sentence:
When atoms in a covalent bond do not share electrons equally they form _____ _____
(a)
What is a molecule composed of?
Two or more atoms held together by molecular bonds
Two or more atoms held together by ionic bonds
Two or more atoms held together by covalent bonds
Two or more atoms held together by metallic bonds
Fill in the blank
An (a) is the attractive force between two ions of opposite charge
What type of bond allows metal to conduct electricity easily?
(a)
A (a) is a particle with about the same mass as a proton but is electrically neutral
How many electrons can the innermost energy level hold?
8
32
18
2
How many electrons can the second energy level hold?
2
32
8
18
How many electrons can the fourth energy level hold?
32
18
16
84
