Atoms and the Periodic Table Review

How do you find the number of neutrons in an atom?

• Add the atomic number to the atomic mass.

• Subtract the atomic number from the atomic mass.

• Multiply the atomic number by the atomic mass.

• Divide the atomic mass by the atomic number.

Which subatomic particle has no charge?

• Proton

• Electron

• Neutron

• Positron

What does the atomic mass tell you?

• The number of electrons in an atom.

• The number of protons and neutrons.

• The total energy of an atom.

• The size of the atom.

What is the chemical symbol for Sulfur?

• S

• Su

• Sf

• Sl

What is the difference between an element and a compound?

• An element is a mixture of different types of atoms, while a compound is made of one type of atom.

• An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

• An element can be broken down into simpler substances, while a compound cannot.

• An element is always a solid, while a compound can be a solid, liquid, or gas.

What is the significance of the periodic table's arrangement?

• Elements are arranged by increasing atomic number, which reflects their properties.

• Elements are arranged randomly without any specific order.

• Elements are grouped by their color and size.

• Elements are arranged based on their discovery date.

What is the periodic law?

• The properties of elements are periodic functions of their atomic numbers.

• The atomic mass of elements increases periodically with time.

• Elements are arranged in order of increasing density.

• The chemical properties of elements are random and do not follow a pattern.

What is the difference between metals and nonmetals on the periodic table?

• Metals are typically good conductors of heat and electricity, while nonmetals are poor conductors.

• Metals are usually found in gaseous form, while nonmetals are solid.

• Nonmetals have a higher density than metals.

• Metals are generally brittle, while nonmetals are malleable.

What does the term 'atomic mass unit' (amu) refer to?

• A unit of mass used to express atomic and molecular weights.

• A measure of the energy released in nuclear reactions.

• A standard unit for measuring temperature in chemistry.

• A unit for quantifying the volume of gases.

The Modern Periodic Table of Elements is arranged by what?

• Atomic mass

• Atomic number

• Chemical properties

• Electron configuration