G8 Final Exam Review - Part 2
Authored by Arnel Rigos
Chemistry
8th Grade
NGSS covered
Used 5+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula of the compound formed between lithium and nitrogen?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following contains both ionic and covalent bonding?
NaCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An ion X has 8 protons, 8 neutrons and 10 electrons.
An ion Y has 11 protons, 9 neutrons and 10 electrons.
What is the formula of the ionic compound formed by ion X and Y?
XY
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the IUPAC name of NiCO3?
nickel(II) carbonate
nickel carbonate
nickel(I) carbonate
nitrogen(I) carbonate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a chlorine atom form the most stable ion?
The atom gains a proton to form positive ion.
The atom loses a proton to form negative ion.
The atom loses an electron to form a positive ion.
The atom gains an electron to form a negative ion.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula for Sodium Chloride?
SCl
NaCl
SC
NaCl2
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do elements form chemical bonds?
Because they're friendly
To create a new element
To become stable
Because they all need to gain more electrons
Tags
NGSS.HS-PS1-2
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