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WorksheetsAtoms, Molecules, Ions
Total questions: 11
Worksheet time: 6mins
What are the building blocks of matter?
Atoms
Protons
Cells
Neutrons
The nucleus of an atom is made up of ___________________.
Protons and Neutrino
Neutrons and Electrons
Protons and Neutrons
Protons and Electrons
The image shows the periodic grid of potassium. How many electrons are found in the potassium atom?
19
20
39
40
When two elements combine with each other to form more than one compound, the mass of one element that combine with a fixed mass of the other are in a ratio of whole numbers.
Law of Definite Composition
Law of Multiple Proportions
Law of Mass Conservation
Law of Constant Composition
How does the average atomic mass of an element compare to the mass number?
The average atomic mass is the average mass of a mixture of isotopes, whereas each isotope has its own mass number.
The average atomic mass of an element is the same as its mass number.
The average atomic mass is equal to the mass number of the most abundant isotope of an element.
The average atomic mass includes the mass of the electrons, whereas the mass number depends only on the neutrons and the protons.
Which of the following best describes isotopes?
Isotopes have different numbers of neutrons.
Isotopes have different numbers of protons.
Isotopes are atoms of the same element with the same mass.
Isotopes have different numbers of electrons.
What is the chemical name of Fe2(SO4)3?
Iron (III) Sulfate
Iron Sulfate
Iron (II) Sulfate (III)
Iron (II) Sulfate
What is the chemical name of MgCl2?
Magnesium Chloride 2
Magnesium Chloride
Magnesium (II) Chloride
Magnesium Dichloride
If your cation is a transition metal, it should have a _________________.
Roman numeral
Subscript
Polyatomic Ion
Prefix
What is the chemical name of CsI?
Cesium Monoiodide
Carbon Sulfide Iodide
Cesium Iodide
Carbon Silicate
How many electrons are there in the cation Aluminum?
10
13
16
3
