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Periodic Table of Elements/Atomic Structure Flashcards | StudBud
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Periodic Table of Elements/Atomic Structure
Periodic Table of Elements/Atomic Structure
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Periodic Table of Elements #periodictable
Flashcards
26 cards
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Questions
26
Answers
1
What is the Atomic Mass of Potassium?
40
19
21
39.098
2
How many electrons does Nitrogen have?
13
.007
14
7
3
What is the atomic number of nitrogen?
28
7
14.007
N
4
The mass of an atom is determined by...?
protons and neutron
protons, neutrons and electrons
protons and electrons
protons
5
How many neutrons does Nitrogen have?
14
7
15
21
6
Which is
NOT
a property of METALS?
dull
good conductor of electricity
ductile
malleable
7
If Nitrogen is in group 15, how many valence electrons does it have?
5
14
7
.007
8
Elements on the left side of the Periodic Table of Elements are usually...
nonmetals
nonmetalloids
metalloids
metals
9
Which is
NOT
a property of most
NON-METALS
?
solid at room temperature
found to the right of the zigzag line
poor conductor of electricity
dull
10
What will the charge on an atom be if... there are more electrons than protons?
negative
no charge
positive
11
How many protons does nitrogen have?
14
.007
14.007
7
12
What particles are in the nucleus?
electrons
protons and neutrons
protons and electrons
electrons and neutrons
13
Elements that are along the zigzag line are ....
metalloids
nonmetaloids
nonmetals
metals
14
How many protons does Potassium have?
39.098
.098
19
I have no idea.
15
How many neutrons does Potassium have?
20
39
19
58
16
Which of the following is
NOT TRUE
Halogens (group 17)?
unreactive
non-metal
gas at room temperature
7 valence electrons
17
Most elements on the left side are...
gases
solids
liquids
plasmas
18
How many neutrons does Aluminum have?
14
26.982
26
13
19
How is the Periodic Table of Elements organized? By...
rows according to protons
rows according to electrons
columns according to mass
ions and subatomic particles
20
Which of the following is
NOT TRUE
of group 1 Alkali metals?
gas at room temperature
Very Reactive
metal
1 valence electron
21
What is the Atomic Mass of Nitrogen?
14.007
7
15
.007
22
Elements on the right side of the Periodic Table are usually....
nonmetals
metals
metalloids
nonmetaloids
23
How many electrons does Potassium have?
39
19
20
40
24
What is the atomic number of Potassium?
.098
39.098
19
20
25
If Potassium is in Group 1, how many valence electrons does it have?
20
1
39
19
26
Most elements on the right side are ....
gases
liquids
solids
plasmas
