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Q 1/43
Score 0
A horizontal row on the periodic table is called a(n)
30
atomic number
family
group
period
Q 2/43
Score 0
The vertical column of elements on the periodic table is called a(n)
30
atomic mass
semiconductor
group
period
43 questions
Q.
A horizontal row on the periodic table is called a(n)
1
30 sec
Q.
The vertical column of elements on the periodic table is called a(n)
2
30 sec
Q.
What element makes up about 20% of the air we breath?
3
30 sec
Q.
Elements of Groups 3 through 12 are all called
4
30 sec
Q.
Diamonds and soot are very different, yet both are natural forms of
5
30 sec
Q.
When a halogen reacts with a metal, what is formed?
6
30 sec
Q.
In the periodic table, elements in the same column usually have
7
30 sec
Q.
A certain element is found in the far right column of the periodic table. Which of the following is it likely to be?
8
30 sec
Q.
Which of the following elements make up HCl?
9
30 sec
Q.
Which two elements make up table salt?
10
30 sec
Q.
Another name for a metalloid.
11
30 sec
Q.
A group made of six nonmetals.
12
30 sec
Q.
Element named after a scientist
13
30 sec
Q.
Element named after a state.
14
30 sec
Q.
A word meaning "group".
15
30 sec
Q.
A word describing noble gasses.
16
30 sec
Q.
A word describing most transition metals.
17
30 sec
Q.
The days of the week are __________________________ because the repeat in the same order every seven days.
18
30 sec
Q.
A rule that states that repeating chemical and physical properties of elements change periodically with the atomic number of the elements is called the ___________________________________________.
19
30 sec
Q.
Iodine and chlorine are examples of ________________________________
20
30 sec
Q.
Atoms of ____________________________________________________ have two valence (outer-level) electrons.
21
30 sec
Q.
Pure _______________________________________ are often stored in oil to keep them from reacting with water and oxygen.
22
30 sec
Q.
Each up-and-down column of elements on the periodic table is called a
23
30 sec
Q.
The most reactive metals are called...
24
30 sec
Q.
This metal, part of the boron group, is used for aircraft parts.
25
30 sec
Q.
This element makes up 20% of the air you breathe.
26
30 sec
Q.
Compounds of the is Group 2 Metal are found in cement and chalk.
27
30 sec
Q.
These metals have two electrons i their outer level.
28
30 sec
Q.
This nonmetal group contains chlorine and iodine.
29
30 sec
Q.
This is a colorless, odorless gas.
30
30 sec
Q.
This nonmetal has several natural forms, including diamond and soot.
31
30 sec
Q.
This element makes up about 80% of the air we breathe.
32
30 sec
Q.
This noble gas helps light bulbs last longer.
33
30 sec
Q.
In Group 13, the boron group, the most common element is ____________________________________.
34
30 sec
Q.
Proteins, fats, and carbohydrates, which are compounds containing ________________________________________, are necessary for living things on Earth.
35
30 sec
Q.
Nitrogen is found in group 15 and can be combined with _____________________________ to make ammonia for fertilizers.
36
30 sec
Q.
Germanium and _________________________________, both metalloids from group 14, are used to make computer chips.
37
30 sec
Q.
A substance needs ___________________________ to burn.
