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Elements and the Periodic Table
Elements and the Periodic Table
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1
This element is in the oxygen family and is a nonmetal used in rubber manufacturing.
Silicon
Sulfur
Phosphorus
Selenium
2
Which of these is true of metals?
They're ductile
They're malleable
All of the above
They have luster
3
Which groups are arranged underneath the periodic table?
Actinides, lanthanides
Alkaline earth metals, lanthanides
Lanthanides, transuranium metals
Halogens, actinides
4
Which is not true of groups on the periodic table?
They're vertical columns
They're also called families
They're arranged metal-metalloid-nonmetal
Elements in them share properties
5
How do nonmetals typically react with other atoms?
Sharing electrons
Losing electrons
Exploding
Gaining electrons
6
Which property of metals allows them to be pulled or drawn out into long wires?
Malleability
Electrical Conductivity
Luster
Ductility
7
An element has an atomic mass of 65.38 and an atomic number of 30. How many neutrons does it have?
35
65
30
65.38
8
Why is silicon a useful element for equipment like computer chips?
It's brittle
It's hard
It's relatively reactive
It's a semiconductor
9
Which element is more reactive?
Nitrogen
Phosphorus
10
Which group number contains the nitrogen family?
16
1
2
15
11
Which of these groups are considered to be the most reactive?
Transition Metals
Alkaline Earth Metals
Alkali Metals
Actinides
12
Mendeleev was able to predict the existence of elements that hadn't been discovered yet.
True
False
13
The newest elements are synthesized by smashing ___ together in a ___.
nuclei, nuclear reactor
nuclei, particle accelerator
protons, particle accelerator
neutrons, nuclear reactor
14
Which group number do chlorine and bromine belong to?
18
15
17
16
15
An element is hard, shiny, malleable, and reacts slowly with water and oxygen to form rust. What group is it in?
Transition Metals
Lanthanides
Alkali Metals
Alkaline Earth Metals
16
Which halogen is liquid at room temperature?
Fluorine
Chlorine
Iodine
Bromine
17
Which group on the periodic table is generally very reactive, toxic, and dangerous?
Transition Metals
Noble Gases
Oxygen Family
Halogen Family
18
Which is not true of metalloids?
Have some metal and nonmetal properties
Located between metals and nonmetals
All very reactive
Mostly gases at room temperature
19
Which particle and its description is correct?
Neutron - Negative charge
Proton - Positive charge
Neutron - No charge
Electron - No charge
20
Which element would have properties most similar to calcium?
Potassium
Magnesium
Platinum
Sodium
21
Which is a physical property of metals?
Dull and brittle
Reactivity
Good conductors of heat
Poor conductors of electricity
22
Which elements has the simplest atoms?
Beryllium
Hydrogen
Lithium
Helium
23
Which element name and chemical symbol pairing is incorrect?
Iron - Fe
Silver - Ag
Helium - H
Gold - Au
24
How did Mendeleev originally order the elements in his periodic table?
By increasing atomic mass
By their properties
By decreasing atomic mass
By atomic number
25
What is the atomic number of an element?
Number of electrons outside nucleus
Mass of one atom
Number of protons in nucleus
Average weight of element and isotopes
26
Which of these elements would be the least reactive?
Alkaline Earth Metal
Mixed Group Metal
Halogen
Noble Gas
27
The carbon family contains only one nonmetal.
True
False
28
What word means "in a regular, repeated pattern?"
Elements
Properties
Periodic
Table
29
Which of these elements tends to form diatomic molecules in nature?
Copper
Oxygen
Helium
Nitrogen
30
Which of these metals belongs in the mixed groups?
Platinum
Lead
Gold
Magnesium
31
What usually happens to metals when they react chemically?
Melt
Share electrons
Lose electrons
Gain electrons
32
Which of the particles makes up the least mass of an atom?
Electron
Nucleus
Neutron
Proton
33
Which is true of protons?
Located outside of nucleus
Negatively charged
Positively charged
Located in nucleus
34
The transition metals are located in which group or groups?
4-15
1
3-12
2
35
Hydrogen atoms make up ___ of the atoms in the universe.
85%
50%
More than 90%
Less than 40%
36
Who created the first version of the periodic table?
Gregor Mendel
John Newlands
Antoine Lavoisier
Dmitri Mendeleev
37
Which of these is not a transition metal?
Nickel
Mercury
Silver
Potassium
38
Which alkali metal would produce the strongest reaction when placed in water?
Rubidium
Potassium
Sodium
Lithium
39
Which is the most reactive of all the elements?
Fluorine
Potassium
Iodine
Sodium
40
How many groups on the periodic table contain nonmetals?
8
7
5
6
41
Which of these is an alkaline earth metal?
Calcium
Magnesium
Lithium
Copper
42
What information is usually included on a periodic table entry?
Atomic number, atomic mass, name
Atomic number, number of neutrons, chemical symbol, name
Atomic number, chemical symbol, name
Atomic number, name, chemical symbol, atomic mass
43
How many elements are on the modern periodic table?
122
118
108
112
44
Which is true of the noble gases?
In Group 18
All of the above
Highly reactive
Include xenon and krypton
45
Which is not true of the nucleus of an atom?
Made of protons
Made of electrons
Made of neutrons
Located at center of atom
