26 MJ3 Periodic Table

Multiple Choice

All matter is made of _________. 

• energy 
• atoms 
• electrons 
• elements

Multiple Choice

How do you find out the number of protons in an atom?

• atomic number
• atomic mass
• charge
• atomic mass - atomic number

Multiple Choice

What is the number of protons that an atom of Nitrogen contains?

• 14
• 7
• 14.007

• 21

Multiple Choice

How do you find out the number of neutrons in an atom?

• atomic number
• atomic mass
• charge
• atomic mass - atomic number

Multiple Choice

What is the number of neutrons that an atom of Nitrogen contains?

• 14
• 7
• 14.007

• 21

Multiple Choice

The part of the atom that determines the identity of the atom is the ____________.

• proton
• nucleus
• electron
• neutron

Multiple Choice

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

Multiple Choice

What does an atom's period tell us?

• Number of protons

• Number of electrons

• Number of valence electrons

• Number of shells (energy levels)

Multiple Choice

How many electrons does Potassium (K) have?

• 19

• 15

• 39

• 16

Multiple Choice

Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca?

• beryllium, Be
• potassium, K
• titanium, Ti
• yttrium, Y

Multiple Choice

Which category of atoms are brittle and mostly in a gaseous state?

• Nonmetals

• Metalloids

• Metals

• More than one answer is correct

Multiple Choice

Which category of atoms are semiconductors?

• Nonmetals

• Metalloids

• Metals

• More than one answer is correct

Multiple Choice

What is the family name of this group of elements? 

• Alkali metals 
• Halogens 
• Noble Gases 
• Alkali Earth Metals 

Multiple Choice

What is the family name of the group of atoms that are all inert (not reactive)?

• Alkali metals 
• Halogens 
• Noble Gases 
• Alkali Earth Metals 

Multiple Choice

Which of the following element in period 3 would be classified as a metal?

• Beryllium (Be)

• Sodium (Na)

• Argon (Ar)

• Silicon (Si)