8th grade Chapter 11

The elements in the second column from the left edge of the periodic table are the _____.

• alkali metals

• alkaline earth metals

• transition elements

• lanthanide and actinide series

Which of the following categories of elements represents almost three-fourths of the periodic table?

• gases

• metalloids

• metals

• nonmetals

All of the following elements conduct electricity. Which is NOT a metal?

• lead

• carbon

• iron

• vanadium

Which statement about noble gases is correct?

• They form compounds with very bright colors.

• They exist as single atoms rather than as molecules.

• They are highly reactive with both metals and nonmetals.

• They rarely form compounds in nature.

Which of the following is NOT one of the main elements in the human body?

• oxygen

• lead

• carbon

• hydrogen

Which of the following is NOT a property of all metals?

• conduct electricity

• shiny

• does not conduct heat

• malleable when solid

The large group of elements in the main part of the periodic table are the _____.

• alkali metals

• alkaline earth metals

• transition elements

• lanthanide and actinide series

Helium and most nonmetals are found in which area of the periodic table?

• On the left-most side.

• On the right side.

• In the middle column of the periodic table.

• In the bottom rows.

The place of an element in the modern periodic table is determined by its _____.

• atomic number

• atomic mass

• density

• chemical activity

Which of the following does NOT describe an alkali metal such as lithium?

• hard to cut

• react quickly with oxygen

• silvery appearance

• low density