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Atoms & Periodic Table
Atoms & Periodic Table
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8th Grade STAAR review: Atoms & Periodic Table
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17 cards
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Questions
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Answers
1
Which of the following atoms is least likely to form chemical bonds with other atoms?
Carbon with 4 valence
Hydrogen atom with 1 valence
Neon with 8 valence
Sodium with 1 valence
2
How many neutrons does Lithium (Li) have?
4
3
7
2
3
How many protons does Neon (Ne) have?
10
2
20
18
4
Which element will be most chemically like Sodium?
Rb
Mg
C
C
5
What is true about the position of all metals in the periodic table?
They are to the left of the zigzag
they are in the first group
they are in the bottom period
they are in the rightmost column
6
What tells us the number of orbitals?
neutrons
groups
columns
periods
7
Which is the following is an organic compound?
H20
CH4
H2
8
Which pair of elements are in the same period?
K and Mg
Y and Os
Ra and Sg
La and Ru
9
What are columns on the periodic table called?
groups
pillars
periods
columns
10
Which properties most likely belong to a metal?
liquid and clear
gaseous and unreactive
ductile and malleable
brittle and dull
11
What is the smallest particle of nitrogen that has all the properties of nitrogen?
a molecule that contains nitrogen
a proton of nitrogen
an atom of nitrogen
an electron from a nitrogen atom
12
What do you call the rows on a periodic table?
periods
groups
columns
families
13
How are elements arranged on the Periodic Table?
by increasing atomic mass
by chemical symbol
by alphabetical name
by increasing atomic number
14
How many valence electrons does Nitrogen have?
1
5
6
3
15
What is atomic mass?
electrons + valence electrons
protons + neutrons
electrons + neutrons
protons + neutrons + electrons
16
Which element is the most important in determining organic compounds?
Oxygen
Carbon
Shahanium
Gold
17
How many orbitals does Potassium (K) have?
1
4
2
3
