CBA 02 Review Spg 23

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Tags

112.43.c.5.A

112.43.c.5.B

Which group of the periodic table is composed of inert (not reactive) gases?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

Tags

112.43.c.5.B

112.43.c.5.A

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Tags

112.43.c.5.A

112.43.c.5.B

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

112.43.c.6.B

Mendeleev was the first person to arrange the elements into a table. How did he arrange the rows?

• alphabetical 
• density
• melting point
• atomic mass

Tags

112.43.c.5.A

112.43.c.5.B

Which of the following will have similar properties?

• O, S, Se

• O, F, Ne

• N, Ne, Na

• H, K, P

Tags

112.43.c.5.A

112.43.c.5.B

Moseley arranged what we know as the "modern periodic table". How did he arrange it?

• atomic mass

• atomic number

• valence electrons

• number of isotopes

Tags

112.43.c.5.A

112.43.c.5.B

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Tags

112.43.c.5.A

112.43.c.5.B

"Everything is composed of atoms" was stated by:

• Democritis
• Dalton
• Moseley
• Einstein

Tags

112.43.c.6.A

The scientist responsible for "discovering" the nucleus is:

• Bohr
• Rutherford
• Schroedinger
• Einstein

Tags

112.43.c.6.A