Atomic Structure, Periodic Table, Bonding

When two or more elements chemically combine

• element
• compound
• mixture
• solution

Tags

NGSS.5-PS1-4

Which one can be found on the periodic table?

• Compound 
• Element

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which item on this element square is the chemical symbol?

• Copper

• 29

• Cu

• 63.546

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms

Which part of an atom has no charge?

• protons
• neutrons
• electrons
• atoms

Salt has a chemical formula of NaCl.  Salt is a...

• Compound
• Element
• Mixture
• None of the Above

Tags

NGSS.MS-PS1-1

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

Vertical columns in the periodic table are called _________ of elements and have similar properties. 

• groups
• periods

What is H₂SO₄ 
 made up of?

• 2 hydrogen, 1 sulfur, 4 oxygen
• 1 hydrogen, 2 sulfur, 4 oxygen
• 2 hydrogen & 4 sodium
• 1 hydrogen & 6 sodium

Tags

NGSS.MS-PS1-1