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Periodic Table and Atoms Flashcards | StudBud
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Periodic Table and Atoms
Periodic Table and Atoms
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atoms, periodic table
Flashcards
15 cards
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Questions
15
Answers
1
Which element does not fit into any group and has no neutrons?
Helium
Holmium
Hafnium
Hydrogen
2
Which statement about Cobalt and Nickel is true?
cobalt and nickel belong to the same group
Nickel atoms have more protons
Nickel has a greater atomic mass
cobalt atoms have more electrons
3
Which letter is pointing to a neutron?
A
D
C
B
4
Which letter is pointing to a proton?
A
D
C
B
5
The vertical column of elements in the periodic table is called a(n)
atomic mass
group
semiconductor
period
6
Which letter is pointing to the nucleus?
D
C
A
B
7
The horizontal row on the periodic table is called a(n)
group
family
period
atomic number
8
Which of the following best describes the properties of metals?
liquid, dark and conductive
soft, oily, and very reactive
hard, brittle and nonconductive
shiny, malleable, and conductive
9
APPROXIMATELY how many elements are in the periodic table?
100
72
200
168
10
An atom of gold with 79 protons, 79 electrons, and 118 neutrons would have an atomic mass of:
197
276
39
158
11
Which letter is pointing to an electron?
B
A
C
D
12
What does the number at the top of the square above tell you about carbon?
a carbon atom has 6 electrons in its outermost energy level
a carbon nucleus has 6 protons
carbon has 6 isotopes
carbon has an average atomic mass of 6
13
Most of the elements in the periodic table are
metals
nonmetals
metalloids
14
Elements in the periodic table are arranged by:
atomic mass
atomic number
number of neutrons
color
15
Which letter is pointing to a particle with no charge?
C
A
B
D
