YoYoSciencefromthemetallichoodyah

Does not conduct heat

7. Which of the following is NOT a property of all metals? conduct electricity? or shiny? or does not conduct heat? or malleable when solid?

A salt

A halogen is an element that can react with a metal and form . A salt or A liquid?

17

A halogen is found in group

high temperatures

A metalloid acts as a conductor at . high temperatures. low temperatures. mid-temperature. none of the above.

low temperatures

A metalloid acts as an insulator at . high temperatures. low temperatures. mid-temperature. none of the above.

A period

A single horizontal portion of the periodic table, as shown below, is called . a class? a group? a method? a period?

C

All ___________ except mercury are solids at room temperature. a. metalloids b. nonmetals c. metals d. mixtures

Carbon

All of the following elements conduct electricity. Which is NOT a metal? lead carbon iron vanadium

does not vaery greatly among the members of the group

Among the alkali metals, the tendency to react with other substances _______________. does not vary greatly among the members of the group? increases from top to bottom within the group? varies in an unpredictable way within the group? decreases from top to bottom within the group?

three-fourths

Approximately how many elements are metals? half of the periodic table. one-third of the periodic table. three-fourths of the periodic table. all of the periodic table.

malleable

At room temperature, most of the metals are . soft malleable liquids solid

compounds

Halogens are only found in nature as . liquids. salts. compounds. molecules.

The right

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.

good conductors of heat

In general, metals are . poor conductors of heat? brittle? poor conductors of electricity? good conductors of heat?

gases at room temperature

In general, nonmetals are

Atomic number

In the modern periodic table, elements are arranged according to increasing . atomic number? atomic mass? date of discovery? electrical conductivity?

gas

In what state are most nonmetals at room temperature? solid? liquid? gas? synthetic?

High density

Main-block transition metals, such as iron, make good building materials for all of the following reasons EXCEPT _____. high density insulation strength resistance to corrosion

Alkali metals

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

transition elements

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?

nonmetal

The majority of the human body is made of which type of element? metal? metalloid? nonmetal? synthetic?

atomic number

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

the table has repeated cycles

What is meant by periodic in Periodic Table? the table has repeated cycles. the elements occur more than once. the table is only good for so long. the table can be changed as needed.

60

When Mendeleev developed the first periodic table, there were approximately _______ known elements. 10? 60? 100? 160?

Metalloids

Which elements are located between the metals and the nonmetals on the periodic table? halogens? metalloids? noble gases? synthetics?

Metalloids

Which elements have properties of both metals and nonmetals? gases? metalloids? metals? nonmetals?

Most metals are brittle

Which general statement does NOT apply to metals? Most metals are ductile. Most metals are malleable. Most metals are brittle. Most metals are good conductors of electric current.

Metals

Which of the following categories of elements represents almost three-fourths of the periodic table? gases. metalloids. metals. nonmetals.

A

Which of the following elements is the most common element in the universe? a. hydrogen b. helium c. nitrogen d. oxygen

density

Which of the following is NOT on an element key? atomic number state of matter symbol density

Lead

Which of the following is NOT one of the main elements in the human body? oxygen lead carbon hydrogen

Silicon

Which of the following is the most abundant metalloid in the universe? boron? germanium? silicon? tellurium?

react more quickly than alkali metals

Which of the following properties is NOT common to alkaline earth metals? soft and silvery. low density. react more quickly than alkali metals. do not occur naturally.

D

Which statement about noble gases is correct? A. They form compounds with very bright colors. B. They exist as single atoms rather than as molecules. C. They are highly reactive with both metals and nonmetals. D. They rarely form compounds in nature.