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WorksheetsMidterm review
Total questions: 165
Worksheet time: 3hrs 31mins
Which of the following is a pure substance?
carbon
pizza
salad
sand
Which of the following are the units for volume?
mL
grams
cm3
Both mL and cm3
4000.
How would you write 0.0005 in scientific notation?
50 x 10-5
5 x 10-4
5 x 10-3
.5 x 10-3
8.317 x 106
in standard form?
1001
in scientific notation?
.000457
8.025 x 10-8
8.025 x 10-8
8, 14, 32, 6, 15
54, 41, 33, 16
98, 403, 13
6, 12, 16, 11, 8, 4, 1, 11, 4
113, 33, 37, 11
190, 210, 220, 180
How close a measurement is to the true value is called..
Accuracy
Precision
Significant
Estimate
How many valence electrons does carbon have?
4
5
6
7
How many valence electrons do elements in Group 1 have?
1
2
3
4
USE THE PERIODIC TABLE
How many valence electrons does sodium have?
1
2
3
4
USE THE PERIODIC TABLE
How many valence electrons does magnesium have?
1
2
12
24
1s22s22p63s23p64s23d10
1s22s22p63s2
1s22s22p63s2
The elements in this family are soft, silvery, and very reactive with water.
Alkaline Earth Metals
Alkali Metals
Transition Metals
Lanthanides
The is family has properties of both metals and nonmetals.
Alkali
Halogens
Nonmetals
Metalloids
This type of element is dull, brittle solids and gases, insulators, poor conductors of heat and electricity, as well as having low melting points.
metals
metalloids
nonmetals
Sulfur is a...
metal
nonmetal
metalloid
