Elements, Ions and Isotopes Flashcard

Front

What is the name of the element with the symbol Nb?

Back

niobium

Front

What state of matter is palladium at room temperature?

Back

solid

Front

What is the atomic number for oxygen?

Back

8

Front

What subatomic particles are in an uncharged isotope with atomic number 86 and 211 nucleons?

Back

86 p⁺, 125 n⁰, 86 e⁻

Front

What is the name of the ion with the symbol Al and a charge of 3+?

Back

aluminum ion

Front

Define an element.

Back

A substance that cannot be broken down into simpler substances and is made of atoms with the same number of protons.

Front

What is an ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of an electron?

Back

-1