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# Atoms # Elements #Periodic Table #Metals and nonmetals
Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
Which of these sets of elements are
nonmetals
? Use the periodic table to help you decide
O, F, S Xe
Ca, S, Ne, O
Li, Mn, Br, B
Na, K, P, Ar
2
How many valence electrons does Sulfur contain?
16
10
5
6
3
The elements in the
Periodic Table are arranged in order of increasing
Atomic Mass
Charge
Size
Atomic Number
4
Scientist found an element with an
atomic number of 11
. What is the identity of the atom?
Magnesium
Boron
Sodium
Neon
5
Elements in the same group contain? (column)
shells
energy levels
Similiar chemical properties and valence electrons
name
6
What are the steps to find the number of
Neutrons
?
Atomic Number + Atomic Mass
Atomic Mass + Atomic Number
Atomic Number - Atomic Mass
Atomic Mass - Atomic Number
7
What is the
atomic mass
? [
Hint
: Protons (p+) + Neutrons (n)]
8
64
16
0
8
What is the subatomic particle that has a
neutral charge?
Neutron (n)
Electron (e-)
Proton (p+)
Valence Electron (V.E.)
9
The
nucleus
contains?
Protons (P+), Neutrons (n), and Electrons (e-)
Protons (P+), Neutrons (n), and no Electrons (e-)
Protons (P+) and Electrons (e-)
Electrons (e-) and Neutrons (n)
10
Classify
the type: Calcium, Cobalt, Argon, Boron
Nonmetal, Metal, Metal, Metalloid
Metal, Metalloid, Nonmetal, Metalloid
Nonmetal, Metal, Nonmetal, Metalloid
Metal, Metal, Nonmetal, Metalloid
11
Copper is a metal
. Which one of the following is
not a property of copper
?
Easily hammered into sheets (Ductile)
Good conductor of electricity
Brittle (Breaks easily)
Easily stretched into wires without breaking (Malleable)
12
What
subatomic particle
is shown in the picture?
Electron (e-)
Neutron (n)
Valence Electron (V.E.)
Proton (p+)
13
Which of the following properties is
NOT
a
property of metals?
Good conductors of electricity
Malleable
Poor conductors of heat
Lustrous (Shiny)
14
What is the
Atomic Number
of this element?
25
58.693
28
59
15
The atomic number of magnesium is 12. Its
nucleus
must contain?
6 protons (p+) and 6 neutrons (n)
6 protons (p+) and 6 electrons (e-)
12 protons (p+) and no electrons (e-)
12 electrons (e-) and 12 protons (p+)
16
What is its
identity?
[Hint: Use the Periodic Table ]
Nitrogen
Osmium
Oxygen
Carbon
17
What is the best definition of an
electron cloud?
where the electrons in the inner shell of an atom are found
where the electrons in the outer shell of atom are found
The place where the electrons in an atom are usually found
The place where the electrons in an atom are always found
18
All metals, except mercury, are
_________________ at normal temperature
Liquids or gasses
Liquids
Solids or gasses
Solids
19
Which of these elements is a
good conductor of electricity? [hint: Left side]
Bromine (Br)
Sulfur (S)
Oxygen (O)
Silver (Ag)
20
Elements in the same period contain (row)
atomic number
mass
size
Number of Energy levels or shells of an atom
21
which element
will not
be able to help a bulb light up?
[Hint: right side]
Sulfur (S)
Iron (Fe)
Potassium (k)
Copper (Cu)
22
Which of these elements is a
semiconductor
?
[Hint: Stairway or Zig Zag]
Platinum (Pt)
Iron (Fe)
Germanium (Ge)
Gold (Au)
23
Scientist found an atom that has
4 neutrons
in its atomic mass. What is its identity?
Lithium
Boron
Helium
Beryllium
24
What side of the periodic table would you find the
non-metals
?
Left
Right
Center
Zig Zag
25
Matter is composed of
tiny particles
called?
Mixtures
Atoms
Elements
Compounds
26
What is the
Atomic Mass
of this element?
4.0026
.0026
2.0026
2
27
Scientist found an element that has an
atomic mass of 39
. What is the identity of the atom?
Argon
Potassium
Sodium
Rubidium
28
What is the
Atomic Number
[Hint: P or E]
64
16
8
0
