WorksheetsChemistry Quiz 2
Total questions: 25
Worksheet time: 38mins
Which scientist developed the atomic theory?
What is the name of group number 1?
halogens
noble gases
alkali metals
alkaline earth metals
What is the name of group number 2?
transition metals
halogens
metaloids
alkaline earth metals
where are the metaloids found
far left, vertical
stair step/diagonal
far right horizontal
at the bottom
Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.
numbers, rows
masses, rows
masses, column
numbers, column
Nonmetals (select all that apply)
are found on the right side of the periodic table.
are found on the left side of the periodic table.
are good conductors of heat and electricity.
are brittle.
can be solid, liquids, or gases at room temperature.
Which element has similar chemical properties as sodium but has 7 energy levels?
Francium (Fr)
Cesium (Cs)
Rubidium (Rb)
Potassium (K)
Elements that have the same number of energy levels are said to be in the same ______.
group
period
family
classification
Which of the following are properties of acids but not bases? Select all that apply.
Changes the color of an indicator
Sour taste
Reacts with metals to produce hydrogen gas
Feels slippery
Bases have a pH of
7
Less than 7
More than 7
Which of the following is a binary acid?
H2SO4
HNO3
H2Se
HC2H3O2
What is the formula for nitrous acid?
HNO2
H3N
HNO3
HNO
What is the formula for hydrosulfuric acid
H2S
H2SO2
H2SO3
H2SO4
Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker
is a base
is an acid
have neutral pH
doesn't have pH
Which of the following statements is correct?
Blue litmus paper turns red when placed in a base.
Red litmus paper turns blue when placed in a base.
Blue litmus paper stays blue when placed in an acid.
Red litmus paper stays red when placed in a base.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
strongly acidic
slightly acidic
strongly basic
slightly basic
Please draw Bohr Diagram and Lewis Diagram for Sr
There are ____ layers of electron shells in a zinc atom, and there are ____ valence electrons.
