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WorksheetsUnit 1 part 2 Assessment
Total questions: 15
Worksheet time: 25mins
Which element is brittle (breaks or fractures)?
potassium
argon
sulfur
aluminum
What is the correct order of the least kinds of elements to the most kinds?
metals, nonmetals, metalloids
nonmetals, metals, metalloids
metalloids, metals, nonmetals
metalloids, nonmetals, metals
What groups of elements bond in the same way with lithium?
nitrogen, oxygen, fluorine
fluorine, chlorine, bromine
beryllium, magnesium, calcium
phosphorus, sulfur, chlorine
Which element a "kind of" good conductor?
germanium
nitrogen
aluminum
copper
Periods on the periodic table indicate what about atoms?
the number of valence electrons
the charge of the atom
the number of energy levels
the number of ions
Elements that are ductile, malleable, and good conductors of electricity are found where on the periodic table?
on the left, in the middle, and at the bottom
on the right side, in the middle, and at the bottom
only at the bottom
only in the middle
What happens to halogens as they become ions?
they lose 3 electrons to become 3+ ions
they gain 3 electrons to become 3- ions
they lose 1 electrons to become 1+ ions
they gain 1 electrons to become 1- ions
What happens to alkaline earth metals as they become ions?
they lose 2 electrons to become 2+ ions
they gain 2 electrons to become 2- ions
they lose 3 electrons to become 3+ ions
they gain 3 electrons to become 3- ions
What happens to alkali metals as they become ions?
they lose 2 electrons to become 2+ ions
they gain 2 electrons to become 2- ions
they lose 1 electrons to become 1+ ions
they gain 1 electrons to become 1- ions
A nonmetal gas that gains 3 valence electrons is...
chlorine
aluminum
nitrogen
boron
Which family has the same electron configuration as the silicon?
alkali metals
halogens
carbon
germanium
What is the ratio of sodium to oxygen ions in sodium oxide?
1:2
1:6
2:1
6:2
Which compound has 2:3 ratio?
calcium oxide
magnesium chloride
aluminum oxide
lithium nitride
Groups on the periodic table indicate what about atoms?
the number of valence electrons
the charge of the atom
the number of energy levels
the number of ions
Which elements are in the correct order based on the characteristics: high melting point, dull, semi-conductor?
nitrogen, calcium, antimony
aluminum, sulfur, arsenic
polonium, lithium, oxygen
argon, magnesium, tellurium
