Atoms
The Periodic Table
Metals, Nonmetals, Metalloids
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Grab Bag!
100
What determines the identity of an element?
Atomic Number (number of protons)
100
A row of elements on the periodic table is known as
Period
100
Which class of elements are good conductors of heat?
Metals
100
The current model of the atom suggest that electron clouds surround what?
Nucleus
100
What does it mean if an element is malleable?
Can be hammered without breaking
200
Atoms are composed of
Protons, Neutrons, and Electrons
200
A column of elements on the periodic table is know as
Group
200
The majority of the _________ are located on the right side of the periodic table?
nonmetals
200
What charge does a neutron have?
No charge (neutral)
200
What does it mean if an element is ductile?
It can be stretched into a wire
300
What charge does an electron have?
Negative
300
The periodic table can be divided into three groups. what are the three groups?
metals, nonmetals, and metalloids
300
Which class of elements has properties of both metals and nonmetals?
Metalloids
300
Which subatomic particle has the least mass?
Electrons
300
If Beryllium (Be) atom has 4 protons, 5 neutrons, and 4 electrons, it has an atomic mass of what?
9
400
What type of charge do protons have?
Positive
400
How many electrons can the first energy cloud hold?
2
400
Which class or elements tend to be malleable and ductile?
Metals
400
Where are neutrons found?
Nucleus
400
Which group on the periodic table is known to be inert?
Group 18 (Noble Gases)
500
An atom has no overall charge if it contains the equal numbers of _______ and ________.
Protons and Electrons
500
How many electrons can the second energy cloud hold?
8
500
Which class of elements tend to be dull and brittle at room temperature?
nonmetals
500
Which group on the periodic table is known to be the most reactive?
Group 1
500
Which of the following metals is most reactive? Sodium (Na) Magnesium (Mg) Silver (Ag) Titanium (Ti)
Sodium (Na)
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