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10 questions
The periodic table is organized in horizontal rows called...
Groups
Periods
Families
Chemical Symbols
Which of the following is a true statement?
Periods form horizontal rows; groups form vertical columns.
Groups form horizontal rows; periods form vertical columns.
Categories form horizontal rows; gases form vertical columns.
Gases form horizontal rows; categories form vertical columns.
What group of element is the most reactive group?
7
8
0
1
Which of the following could be a properties of nonmetals?
dull in appearance
poor heat conductor
low density
all of the above
What is the other term for group 18?
the halogens
the alkali metals
the noble gases
the alkali earth metal
What element is the only liquid non-metal?
What is valence electron?
What elements are near the amphoteric line, they have the properties of both metals and non-metals.
Who suggested the definition of the word element?
How many atoms are there in group 7 elements?
1
2
3
8
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