Spring Final Exam Review

What is the mass number of the following element?

• 20 amu

• 2882 amu

• Ca

• 40. amu

Tags

NGSS.MS-PS1-1

Going across a period from left to right, the size of the atomic radii...

• stay the same

• are unpredictable

• increases

• decreases

Tags

NGSS.HS-PS1-1

The number of neutrons in an atom of Bi-211 is

• 128

• 209

• 83

• 2

Malleable, shiny, and ductile describe

• nonmetals

• halogens

• sulfur

• alkali metals

Mendeleev's periodic table was organized based on

• atomic number

• atomic mass

• valence electrons

• x-ray results

The most electronegative element on the periodic table is

• potassium

• hydrogen

• fluorine

• oxygen

Tags

NGSS.HS-PS1-1

For Gold (Au), 79 represents

• mass number

• number of electrons

• atomic number

• avg atomic mass

In general, which properties are common to elements within a single group on the periodic table?

• atomic number and atomic weight

• chemical properties and ability to bond to other atoms

• color and luster

• boiling point and freezing point

Horizontal rows of the periodic table are called

• periods

• columns

• groups

• families

Which is an example of a nonmetal?

• copper

• phosphorus

• mercury

• cadmium