Chemistry STAAR Questions

Quiz
•
Science
•
8th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the left part of a chemical equation called?
H2 + O → H2O
Reactants
Products
Yields
Chemical Equation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are the noble gases such as helium (He) and neon (Ne) grouped together in the periodic table?
They are nonreactive gases.
They are highly reactive metallic solids.
They are dangerous gases when combined with water.
They are liquid at room temperature and have high boiling points.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does a balanced chemical equation satisfy the Law of Conservation of Mass?
During a chemical reaction, the total amount of matter stays the same.
During a chemical reaction, matter is destroyed.
During a chemical reaction, one or more new substances are formed.
During a chemical reaction, the total number of atoms increases.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A researcher combines 37 grams of iron with 16 grams of oxygen. Based on the Law of Conservation of Mass, what will be the resulting mass of the product?
16 grams
21 grams
37 grams
53 grams
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement is true of the two elements' reactivity?
Both are chemically reactive.
Both are chemically nonreactive.
Element X is more chemically reactive than Element Y.
Element Y is more chemically reactive than Element X.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which element has chemical properties that are MOST similar to the chemical properties of Sulfur?
Silicon
Chlorine
Selenium
Phosphorus
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the product of a chemical reaction between an acid and a base?
Salt
Water
Both A and B
Carbon dioxide
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