Periodic Table Review

What is true about the elements in the red column?

• they're all gases

• they're all nonmetals

• they're all in the same group

• they're all in the same period

What is the best description of Carbon?

• its nonmetal, atomic # 12.011

• its nonmetal, atomic # 6

• its metal, atomic # 12

• its metal, atomic # 6

Tags

NGSS.MS-PS1-1

What property of an element would best help you determine its group/family on the periodic table?

• its reactivity

• the color

• its hardness

• its melting point

Elements are arranged on the PT from left to right & top to bottom in order of

• sum of protons & electrons

• decreasing atomic mass

• increasing atomic number

• increasing atomic mass

Which element is the most like gallium (GA) in atomic mass?

• aluminium Al

• indium In

• zinc Zn

• boron B

What would be the best way to see what group a new element belongs to

• how it chemically reacts

• its melting point

• it chemical symbol

• its atomic mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What element would react like sulfur S but has a greater atomic mass?

• oxygen O

• phosphorus P

• chlorine Cl

• selenium Se

Tags

NGSS.MS-PS1-2

These characteristics best describe which element:

a shiny solid with 2 valence electrons

• sodium Na

• strontium Sr

• aluminium Al

• neon Ne

Tags

NGSS.MS-PS1-1

Which 2 elements are in the same period?

• Br and Cl

• K and Ba

• F and Br

• Na and Si

What makes krypton Kr and helium He unique?

• they're very reactive

• the combine easily with other elements

• they're colorless and nonreactive

• they are solids and have colors