quiz 10 periodic table trending

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

How many valence electrons are found in atoms of group 1?

• 7
• 6
• 4
• 1

Rows on the period table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

The period that an element is in, tells you what?

• Number of protons

• Number of electrons

• Number of valence electrons

• Number of shells

Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons
• Neutrons
• Electrons
• Valence Electrons

Valence electrons are: 

• Electrons farthest away from the nucleus
• Electrons closest to the nucleus
• Electrons that just come and go - they don't stay with the atom
• Electrons in the second shell

How many valence electrons does Na have?

• 1

• 5

• 6

• 11

Select the elements that has 8 valence electrons.

• Ne

• Br

• Kr

• Xe

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18