An atom with a different number of electrons than protons.

The atomic mass accounts for:

The mass of an entire atom only

The group number of an element tells us:

How many electrons are in the outer shell

An atom with a different number of neutrons than normal.

studbud

Periodic Table Review

20 termsStudBud Administration437 plays

#science #chemistry #periodictable

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
An ion is:
An atom with a different number of neutrons than protons.
An atom with empty shells.
An atom with a different number of electrons than protons.
A electromagnetically neutral atom.
2
Boron's atomic number is:
10
10.01
5.01
5
3
The majority of the elements on the periodic table:
Are metals
Weigh less than 5 atomic mass units
Have more than 8 electrons in their outer most shell
Have fewer than 20 electrons
4
If an element has the symbol "Na", how many protons does it have?
9
3
11
18
5
How many periods are on the periodic table?
7
9
5
8
6
The atomic mass accounts for:
Protons only
The mass of an entire atom only
Protons and neutrons only
Electrons only
7
The most abundant element in the universe is:
Nitrogen
Hydrogen
Oxygen
Helium
8
H₂O is an example of a:
Compound
Molecule
Element
Sugar
9
The element with an atomic number of 15 is:
Argon
Sulfur
Phosphorus
Nitrogen
10
C₆H₁₂O₆ is an example of a:
Compound
Molecule
Element
Sugar
11
Which of the following IS NOT on the periodic table?
Non-metals
Metals
Trial 10 Metals
Metalloids
12
The period number of an element tells us:
How many shells an atom uses
The electron balance of the atom
How many electrons an atom has in its outer shell
The total charge of the atom
13
The group number of an element tells us:
How many protons an atom has
How many electrons are in the first shell
How many electrons an atom has
How many electrons are in the outer shell
14
Which period is Chlorine in?
8th
2nd
3rd
7th
15
"Na" is an example of a:
Sugar
Molecule
Element
Compound
16
What is the symbol for potassium?
K
Po
OK
P
17
An isotope is:
A electromagnetically charged atom.
An atom with full electron orbitals.
An atom with a different number of electrons than normal.
An atom with a different number of neutrons than normal.
18
The atomic number of an element always tells us:
The number of protons
The number of neutrons
The number of electrons
The total number of protons and electrons
19
"Ag" is the symbol for:
Iron
Argon
Argentenium
Silver
20
PO₄contains:
4 PO's
4 Potassium Oxide molecules
1 Potassium and 1 Oxygen
1 Phosphorus and 4 Oxygen

Periodic Table Review Flashcards | StudBud