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WorksheetsChem Review
Total questions: 20
Worksheet time: 22mins
What is in an atom?
Protons and Neutrons
Protons, Neutrons, and Electrons
Protons and Electrons
Neutrons and Electrons
What is in the nucleus of the atom?
Protons, Neutrons, and Electrons
Protons
Protons and Neutrons
Neutrons
What are valence electrons?
The total number of electrons in an atom
The number of electrons in the outermost shell
The number of electrons in the second shell
The number of protons in the outermost shell
How many valence electrons does carbon have?
4
5
6
7
The period that an element is in, tells you what?
Number of protons
Number of electrons
Number of valence electrons
Number of shells
The positive particles of an atom are
electrons
positrons
neutrons
protons
Particles in an atom that are neutral and have no charge are
negatrons
electrons
neutrons
protons
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion
Is this correct way to draw the Lewis Dot Structure for Carbon?
Yes
No, too many electrons
No, not enough electrons
No, dots are in wrong places
Is this the correct Lewis Dot Structure for Boron?
Yes
No, missing electrons
No, too many electrons
No, dots are in wrong place.
This could be the dot diagram of
Mg
Cl
C
O
Which ones are acceptable?
Which of these is incorrect?
How many valence electrons does Neon have?
4
5
6
7
8
How many valence electrons does Sulfur have?
4
5
6
7
8
