Which describes an atom with an atomic number of 9?

An atom has 5 protons, 5 electrons, and 5 neutrons. What is the mass number of the atom?

What is an isotope?

In the periodic table, the rows are called

Which of the following elements is classified as a metal?

Which type of bond is responsible for atoms of pure silver to be bonded together?

Which group in the periodic table forms ions that have a valence of 1+?

A metal spoon is used to stir a pot of boiling water. The person holding the metal spoon feels the spoon get hot. Which best describes the transfer of heat in the spoon?

When cations and anions join, they form what kind of chemical bond?

How is this reaction classified? CaO + H2O -- Ca(OH)2 + heat

Which of the following elements has the same Lewis dot structure as sodium?

Which element is an alkaline earth metal?

Which of the following elements is a transition metal?

Which pair of elements has the most physical and chemical properties in common?

Which of the following atoms has six valence electrons?

Aluminum oxide, Al2O3, is produced by combining Al3+ and O2- particles. What type of compound has been formed?

Which accounts for most of the mass of an atom?

Which pair of elements is MOST similar?

Which of the following are transferred or shared when two atoms react chemically?

Which of these is an example of an exothermic chemical process?

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