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Elements & the Periodic table Flashcards | StudBud
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Elements & the Periodic table
Elements & the Periodic table
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#test review
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Questions
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Answers
1
The most reactive metals are called
alkali earth metals
alkali metals
metalloids
transition metals
2
What's the atomic mass of Carbon (C)?
6
5
12.01
11
3
The number of _________________ determines the identity of the atom.
protons
isotopes
electrons
nuclei
4
How many protons are in Helium (He)?
1
4
2
3
5
Argon atoms are classified as
metalloids
lanthanoids
nonmetals
metals
6
Tin (Sn) atoms are classified as
metalloids
nonmetals
noble gases
metals
7
What charge would Gallium (Ga) atoms with 34 electrons have?
negative
neither
neutral
positive
8
The horizontal rows of the periodic table are called
columns
groups
periods
nonmetals
9
Will Copper (Cu) atoms with 22 electrons be electrically neutral?
Yes
No
10
Potassium (K) atoms are classified as
metals
neither
nonmetals
metalloids
11
Electrons have a _____________ charge.
positive
negative
neutral
neither
12
How many protons does Boron (B) have?
9
7
11
5
13
Will titanium (Ti) atoms with 22 electrons be electrically neutral?
No
Yes
14
How many electrons does a neutral Sodium (Na) atom contain?
10
23
11
22
15
What's the atomic mass of Manganese (Mn)
55
24
54.93
25
16
Elements with similar chemical and physical properties in the vertical columns are called
groups
periods
isotopes
rows
17
How many electrons does a neutral Nickel (Ni) atom contain?
59
28
27
58
18
Protons have a ________________ charge.
neutral
neither
negative
positive
19
Neutrons have a ____________ charge.
negative
positive
neutral
neither
20
How many protons are in Calcium (Ca)?
22
20
40
10
