Atom Isotope And Chemical Property – Chemistry

Practice Quiz Atom Isotope And Chemical Property – Chemistry

This quiz is about Atom Isotope And Chemical Property – Chemistry.


Which of the following describes a chemical property?

hydrogen is a gas

bromine has a strong odor

alcohol is flammable – correct

silver is shiny


What is the formula for a compound that contains 5 O atoms and 2 Cl atoms?

Cl2O5 – correct

Cl2O5

O2Cl5

O5Cl2

5O2Cl


An element has three isotopes: 25.4% 35.667 amu; 59.4% 36.902 amu; 15.2% 37.880 amu. What is the atomic mass of the isotope?

36.7 amu – correct

36.816 amu

33.3 amu

36.902 amu


Identify the charge and mass of an atom with 15 neutrons, 13 protons, and 11 electrons.

26 amu, +2

24 amu, -2

26 amu, -2

28 amu, -2

28 amu, +2 – correct

24 amu, +2


Write the nuclide symbol for the isotope with 13 protons and 14 neutrons.

2713Al – correct

1413Al

2714Al

2714Si


Which of the following represents a physical change? 

Butane in a lighter burns.

A car rusts. 

Sugar is dissolved into water. – correct

A block of cheese grows mold.


Which of the following represents a compound?

Atom Isotope And Chemical Property - Chemistry

molecules of air
Atom Isotope And Chemical Property - Chemistry
m&ms
table salt
Correct

What is the chemical symbol for the element copper? 

CO

C

Co

Cp

Cu – correct


What is the missing number most likely to be for the molecule below?

CH2Cl?

1

2 – correct

3

4


Which of the following is the least electronegative?

Li – correct

F

W

Cl


Which of the following is the most electronegative?

Au – correct

Os

W

B


Of the molecule below, Only ________ is polar?

CH4

C2H2

I2

CH2O – correct


According to the Bronsted-Lowry definition, a substance that _______ a proton is a ________.

Accepts, nucleophile

Accepts, acid

Donates, acid – correct

Donates, nucleophile


According to lewis definition, a substance that donates electron pair is _________.

A base – correct

An acid

A nucleophile

Aprotic


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