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Unit 4: Atoms and the Periodic Table Flashcards | StudBud
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Unit 4: Atoms and the Periodic Table
Unit 4: Atoms and the Periodic Table
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atoms, periodic table #atoms #periodictable
Flashcards
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Questions
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Answers
1
What subatomic particles are in the nucleus?
protons and neutrons
protons and electrons
neutrons and electrons
2
Most of the elements in the periodic table are
metals
nonmetals
metalloids
3
Which of the following best describes the properties of metals?
shiny, malleable, and conducts heat and electricity
soft, oily, and very reactive
hard, brittle and doesn't conduct heat and electricity
liquid, dark and conducts heat and electricity
4
Aluminum is an element. What is the smallest piece of Aluminum that keeps its properties?
an electron
a neutron
an atom
a proton
5
I am sometimes shiny, sometimes dull, sometimes a good conductor, sometimes brittle.
Metal
Metalloid
Element
Nonmetal
6
How do you find the number of neutrons in an atom?
you can't
mass #
mass # - atomic #
atomic #
7
Which letter is pointing to an electron?
A
C
B
D
8
Is H2O on the periodic table?
Yes
No
9
Which nonmetal isn't with the rest of the group?
Carbon
Oxygen
Helium
Hydrogen
10
Which statement about Cobalt and Nickel is true?
Nickel has a greater atomic mass
cobalt atoms have more electrons
Nickel atoms have more protons
cobalt and nickel belong to the same group
11
Which letter is pointing to a proton?
D
B
A
C
12
What does the whole number at the top of the square tell you?
carbon has 6 protons
carbon has an average atomic mass of 6
carbon has 6 atoms
carbon has 6 neutrons
13
What does the number above the chemical symbol stand for?
which order it was discovered in
the number of protons (and electrons) in an atom
the atomic mass
the number of neutrons in an atom
14
How many elements are in the periodic table?
118
210
168
72
15
What things make up an atom?
protons, neutrons, and electrons (subatomic particles)
smaller atoms
subzero articles
an element
16
I am usually dull, not shiny, brittle and not a good conductor.
Metal
Nonmetal
Gas
Metalloid
17
How do you find the number of electrons in an atom?
mass # - atomic #
you don't
atomic #
mass #
18
The horizontal row on the periodic table is called a:
atomic number
period
group
family
19
Which letter is pointing to the nucleus?
C
B
D
A
20
Which letter is pointing to a particle with no charge?
C
A
D
B
21
The vertical column of elements in the periodic table is called:
a metalloid
the atomic mass
a period
a group
22
An atom of gold has 79 protons, 79 electrons, and 118 neutrons. What's the atomic mass?
39
197
276
158
23
Which letter is pointing to a neutron?
C
A
B
D
24
Elements in the periodic table are arranged by:
increasing atomic number
state of matter
increasing number of neutrons
increasing atomic mass
