Metals Answers

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1
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Each year, the science club puts on a science show for the students in the elementary school. Luis is planning demonstrations to show properties of metals. For one property, he decides to use a ball of pizza dough and a rolling pin.Which property of metals is Luis most likely going to demonstrate using these materials

A
luster
B
opacity
C
conductivity
D
malleability
2
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Which statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the periodic table?

A
The alkali metal atom forms a +1 ion, while the alkaline earth metal atom forms a +2 ion.
B
The alkali metal atom forms a +2 ion, while the alkaline earth metal atom forms a +1 ion.
C
The alkali metal atom has one less shell of electrons than the atom of the alkaline earth metal.
D
The alkali metal atom has one more shell of electrons than the atom of the alkaline earth metal.
3

Metals are used in many products because of the characteristic properties that most metals share. Which properties of the metal tungsten make it useful in the thin, glowing filaments of light bulbs?

A
Tungsten is electrically conductive, ductile, and opaque.
B
Tungsten is ductile, is malleable, and has a high luster.
C
Tungsten is ductile, has a high melting point, and is electrically conductive.
D
Tungsten has a high luster, has a high melting point, and is silver in color.
4

Which element is most likely to bend without breaking?

A
carbon (C)
B
iodine (I)
C
silicon (Si)
D
cobalt (Co)
5

An atom of element X has one more shell of electrons than an atom of beryllium, but it has one less valence electron than beryllium. Which element is element X?

A
sodium (Na)
B
boron (B)
C
magnesium (Mg)
D
lithium (Li)
6

Which of the following best summarizes the situation in North America in the mid-1700s?

A
European nations agreed to divide the continent between themselves.
B
European nations competed fiercely for control of North America.
C
European nations united to conquer powerful Indigenous groups.
7

Which of the following best summarizes the behavior of Indigenous groups toward colonial powers?

A
Indigenous people worked together to resist all Europeans.
B
Indigenous people willingly gave their land to European colonists.
C
Different Indigenous groups allied with different European nations.

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