Disciplinary Core Ideas of Chemistry

These are found on the Periodic Table.

• Compounds
• Elements
• Mixtures

Tags

NGSS.MS-PS1-5

Elements contain…

• the same type of element

• the same type of atom

• the same type of proton

• the same type of charge

Tags

NGSS.MS-PS1-1

How did Mendeleev arrange the elements?

• alphabetically

• by density

• by melting point

• by atomic mass

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Where are non-metals found on the periodic table?

• Left

• Left and middle

• Right

• Right and middle

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Metals are found on the ______________ side of the periodic table.

• nonmetals

• left

• right

• metals

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes

• neutrons, isotopes, and electrons

• positives, negatives, and electrons

• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1