
6/7(F): Chemistry Checkpoint #63
Quiz
•
Chemistry
•
2nd Grade
•
Hard
Rana Chakrabarty
Used 2+ times
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol has a nuclear charge of 4?
Li
Be
Na
Mg
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which atom has the lowest electronegativity?
Nitrogen
Oxygen
Fluorine
Neon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which mixture can be separated by filtration? (listen to audio if you need help)
NaCl(aq) and SiO2(s)
NaCl(aq) and C6H12O6(aq)
CO2(aq) and NaCl(aq)
CO2(aq) and
C6H12O6(aq)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Compared to a 0.1 M aqueous solution of NaCl, a 0.8 M aqueous solution of NaCl has a
higher boiling point and a higher freezing point
higher boiling point and a lower freezing point
lower boiling point and a higher freezing point
lower boiling point and a lower freezing point
Answer explanation
This is colligative properties. Adding a solute to water and making a solution results in a solution with a raised boiling point and a lowered freezing point.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Answer explanation
Here the zinc atoms become cations, by losing 2 electrons each.
Oxidation is Loss of Electrons
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Which pair of formulas represents two compounds that are electrolytes?
HCl and CH3OH
HCl and NaOH
C5H12 and CH3OH
C5H12 and NaOH
Answer explanation
Electrolytes are acids, bases, and salts. They can conduct an electric current when dissolved in water or melted (ionic compounds) due to the presence of mobile ions. HCl and NaOH are an acid and a base (Check acid+base tables).
CH3OH and C5H12 are covalent compounds (an alcohol and a hydrocarbon) that do not form ions in solution/melted.
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
How many electrons are contained in an Au3+ ion?
76
79
82
197
Answer explanation
Since this is a cation (+ ion) there are 3 more protons than electrons.
All gold nuclei contain 79 protons.
A gold atom would contain 79 electrons. A gold ion would contain 3 fewer electrons.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
15 questions
บทที่ 4 โมล
Quiz
•
1st - 12th Grade
14 questions
electronic configuration
Quiz
•
1st - 10th Grade
15 questions
ENLACE QUIMICO
Quiz
•
1st - 5th Grade
10 questions
ENGLISH
Quiz
•
KG - University
10 questions
Ácidos e Bases
Quiz
•
1st - 3rd Grade
10 questions
Símbolos de los elementos químicos
Quiz
•
1st - 12th Grade
14 questions
¿QUE TANTO SABES DE QUÍMICA?
Quiz
•
1st - 6th Grade
10 questions
Átomos e símbolos químicos
Quiz
•
1st - 10th Grade
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
20 questions
Figurative Language Review
Quiz
•
6th Grade
Discover more resources for Chemistry
14 questions
Contractions
Quiz
•
2nd Grade
10 questions
Exploring Rosa Parks and Black History Month
Interactive video
•
1st - 5th Grade
20 questions
Counting Coins
Quiz
•
2nd Grade
20 questions
Place Value
Quiz
•
KG - 3rd Grade
19 questions
Subject-Verb Agreement
Quiz
•
2nd - 5th Grade
13 questions
Fractions
Quiz
•
1st - 2nd Grade
12 questions
2-Digit Subtraction with Regrouping
Quiz
•
2nd Grade
14 questions
Fractions
Quiz
•
2nd - 3rd Grade
