Chemistry Semester 1 Review 2019

A majority of the elements are the periodic table are____

• metalloids

• nonmetals

• metals

• gases

Which element in the third period has 4 valence electrons?

• aluminum

• scandium

• silicon

• carbon

Tags

NGSS.HS-PS1-1

Elements in the same group or family have the same number of______

• neutrons

• protons

• valence electrons

• energy levels

Tags

NGSS.HS-PS1-1

The periodic table is arranged in order of increasing ______

• atomic mass

• atomic numbers

• electron number

• isotope number

Tags

NGSS.HS-PS1-1

When looking at a group on the periodic table, how does atomic radius change from bottom to top?

• tends to decrease

• tends to increase

• stays the same

• increases then decreases

Which of the following elements tends to lose electrons?

• calcium

• carbon

• fluorine

• neon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does sulfur have?

• 2

• 16

• 32

• 6

Tags

NGSS.HS-PS1-1

Which element has the smallest radius?

• K

• Na

• O

• Ne

Tags

NGSS.HS-PS1-1

Water freezing at 0 degrees Celsius is an _____ property.

• chemical

• extensive

• physical

• normal

Tags

NGSS.HS-PS3-4

Which element in the third period has the largest atomic radius?

• sodium

• magnesium

• chlorine

• argon