The red numbers in the image below represent ________

I don't know, and don't want to try

None of the answers are correct

The blue numbers in the image below represent ________

I don't know, and don't want to try

none of the answers are correct

What is a Coefficient?

Big # to the left of the chemical formula

A number that multiplies every atom involved

Big # to the right of the chemical formula

The small number to the right of the element

A number that multiplies the specific element to the left

Small # to the right of the element

Big # to the left of the chemical formula

Small # to the left of the element

TEK 8.5D - For Chemical Formulas, you must be able to. . .

Differentiate between atoms, elements, molecules and compounds (Chemical Formulas)

Which of the following could indicate a chemical change?

All of the answers could indicate Chemical Change

identifying one or more new chemical products

What is the law of conservation of mass?

Within a closed system, mass does not change

The part of the universe being studied

The rest of the universe that interacts with the system

A system that freely exchanges matter and energy

CHEMICAL FORMULAS & COUNTING ATOMS

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-1, MS-PS1-2, MS-PS1-5

+2

Standards-aligned

Jana DeLoach

Used 71+ times

FREE Resource

55 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Magnesium are in 10MgCl₂?

10

5

20

Tags

NGSS.MS-PS1-1

2.

element symbol; atoms

atom; element symbol

subscript; protons

compound; elements

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CHEMICAL FORMULAS & COUNTING ATOMS

55 questions

How many Magnesium are in 10MgCl₂?

How many Sodium (Na) are in 6NaCl?

How many elements are in C₆H₁₂O₆?

How many atoms are there TOTAL in:
H₂SO₄

Number of N in (NH₄)₂CrO₄

(Element or Compound)
C₂H₈O

A subscript is the small number below a(n) __ that tells the number of _ of that element.

How many Oxygen atoms are in Al₂(SO₄)₃

Number of H in 3(NH₄)₂CrO₄

Which is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)

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CHEMICAL FORMULAS & COUNTING ATOMS

55 questions

How many Magnesium are in 10MgCl2?

How many Sodium (Na) are in 6NaCl?

How many elements are in C6H12O6?

How many atoms are there TOTAL in:H2SO4

Number of N in (NH₄)₂CrO₄

(Element or Compound) C2H8O

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.

How many Oxygen atoms are in Al₂(SO₄)₃

Number of H in 3(NH₄)₂CrO₄

Which is the correct formula for: three hydrogen (H)one sulfur (S)four oxygen (O)

Create a free account and access millions of resources

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How many Magnesium are in 10MgCl₂?

How many elements are in C₆H₁₂O₆?

How many atoms are there TOTAL in:
H₂SO₄

(Element or Compound)
C₂H₈O

A subscript is the small number below a(n) __ that tells the number of _ of that element.

Which is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)