Criss-cross method
Authored by Matthew Grim
Chemistry
9th - 10th Grade
NGSS covered
Used 423+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A __________ uses chemical symbols to represent the atoms of the elements and their ratios in a chemical compound.
subscript
coefficient
chemical formula
compound
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is Iron (Fe) an element or a compound?
Element
Compound
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An attraction that holds oppositely charged ions close together.
Ionic Bond
Covalent Bond
Chemical Bond
Physical Bond
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An atom that loses electrons in an ionic bond becomes a ________ charged ion.
Negatively
Positively
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An atom that gains an electron in an ionic bond becomes a/an _______________ charged ion.
Negatively
Positively
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ba +3 and Cl-
Ba3Cl
Ba3Cl3
BaCl3
BaCl
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fe +3 and S -2
Fe3S2
FeS
S3Fe2
Fe2S3
Tags
NGSS.MS-PS1-1
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