WorksheetsChapter 17 Test
Total questions: 25
Worksheet time: 19mins
Most naturally reoccurring pure elements are solids.
True
False
Mendeleev's periodic table of elements is no longer used today.
True
False
Alkali metals are very reactive.
True
False
A "family" is the same as a "period" on the periodic table.
True
False
A diatomic element is made up of two atoms.
True
False
Henry Moseley arranged the elements in order by decreasing atomic number.
True
False
Which family can form more chemical bonds than any other family?
nitrogen
oxygen
halogens
boron
Which chemist's element notation is the most similar to the one that chemists use today?
Dalton
Lavoisier
Berzelius
Boyle
Who was the first scientist to test the theory of periodicity?
Mendeleev
Dobereiner
Newlands
de Chancourtois
Most of the elements on the periodic table are ___________.
metalloids
metals
nonmetals
semimetals
Most metals are ___________ at room temperature.
gases
liquids
solids
plasmas
Which nonmetal family is the most reactive?
halogens
boron family
oxygen family
carbon family
What is alchemy?
breaking down elements into smaller particles
repeating experiments to show similar results
any pure substance made out of only one kind of atom
ancient study of chemistry that included religion, philosophy, etc.
Elements can be categorized into three broad categories: metals, nonmetals, and (a) .
Dobereiner created (a) which are groups of three elements with similar properties.
By the end of the eighteenth century, (a) of the modern elements had been identified.
Boron family has _____ valence electrons.
3
4
7
1
Alkali metals have ____ valence electrons.
8
1
4
7
Alkaline-earth metals have ____ valence electrons.
6
2
3
5
Transition elements have ____ valence electrons.
4
3
1-2
5
Carbon family has ____ valence electrons.
4
3
8
1
Nitrogen family has ____ valence electrons.
3
8
5
2
Oxygen family has ____ valence electrons.
6
8
5
2
Halogens have ____ valence electrons.
6
8
2
7
Noble gases have ____ valence electrons.
6
8
3
4
