Elements Compounds & The Periodic Table

How many elements make up the compound FeCO₃?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which of the following is considered an element?

• CO₂

• N₂

• NaCl

• HCl

What elements make up salt? NaCl

• Nacium and Chlorine

• Nacium and Cobalt

• Sodium and Chlorine

• Iron and Chlorine

Tags

NGSS.MS-PS1-1

Which of the following lists all of the elements present in chloroform? CHCl₃

• Carbon, Helium, and Chlorine

• Carbon, Hydrogen, and Calcium

• Carbon, Hydrogen, and Chlorine

• Chloro and Form

Tags

NGSS.MS-PS1-1

How many elements are in NaCOH_3?

• 5

• 4

• 3

• 6

Tags

NGSS.MS-PS1-1

What is true of elements and compounds?

• Elements are pure, but compounds are not.

• Elements and Compounds can both be pure.

• Compounds and Elements are both found on the Periodic Table.

• Compounds are the only ones that are found in mixtures.

What is true about elements?

• Can be found on the Periodic Table.

• Are made from only one type of atom.

• Cannot be broken down into a simpler substance.

• All of the above.

What is true about chemical formulas?

• They're always two letters.

• If there are two letter, they are both capitalized.

• Only the first letter is capitalized.

• The words all come from the English language.

Which characteristics describe elements? Check all that apply.

• Cannot be broken down into other substances.

• Two or more elements chemically combined.

• Pure substances represented by chemical symbols.

• Carbon dioxide, salt and water are examples.

What are the horizontal rows of the Periodic Table called?

• ponds

• periods

• columns

• sideways