Chem Final - copy

Front

What is an anion?

Back

An anion is a negatively charged ion.

Front

What is an electron?

Back

An electron is a subatomic particle with a negative charge.

Front

Which element has the atomic number 6?

Back

Carbon.

Front

What is the balanced equation for the reaction of aluminum with sulfuric acid?

Back

2Al + 3H2SO4 -> Al2(SO4)3 + 3H2.

Front

How many grams of aluminum sulfate are formed from 250g of H2SO4?

Back

290 g.

Front

How many protons, electrons, and neutrons does an atom with atomic number 34 and mass number 79 have?

Back

Protons: 34, Electrons: 34, Neutrons: 45.

Front

What is the definition of a cation?

Back

A cation is a positively charged ion.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the difference between atomic number and mass number?

Back

Atomic number is the number of protons, while mass number is the total number of protons and neutrons.