Elements in the periodic table

Mendeleev arranged the elements by their ________________

• alphabetical

• density

• melting point

• atomic mass

The horizontal rows on the periodic table are called

• groups

• families

• periods

• atomic numbers

Each vertical column on the periodic table is called a...

• group

• tower

• period

• crew

Beryllium is in group number______.

• Group 2
• Group 3
• Group 4
• Group 7

An element's identity is determined by the number of

• electrons.
• protons.
• neutrons.
• valence.

Nitrogen

• N
• Ni
• He
• G

Tags

NGSS.MS-PS1-1

Silver

• Si
• S
• E
• Ag

Potassium

• P
• Ss
• K
• Po

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Nickel

• N
• El
• Ck
• Ni

Which element is found in period 3 group 2?

• Sodium (Na)
• Magnesium (Mg)
• Yttrium (Y)
• Boron (B)

Tags

NGSS.MS-PS1-1