PS Final Exam Review Part 2

Compared with group 2A elements, group 6A elements have

Who provided evidence for the existence of a nucleus in an atom?

In the name carbon dioxide, the prefix di- indicates that a molecule of carbon dioxide contains

An element's atomic number tells you its number of

Which statement is true about Oxygen-17 and Oxygen-18?

The formation of an ionic bond involves the

In the compound MgCl₂ the subscript 2 indicates that

Which statement about subatomic particles is true?

A member of the Nitrogen family has how many valence electrons?

Which of the following is a balanced chemical equation?

When 2 atoms of the same non-metal element react, they form a(n)

At room temperature, none of the metals are

Columns on the periodic table are

Which list contains ONLY metals?

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

In the compound KBr, which element forms a cation?

Which of the following gases emit colors when electric current is applied?

JJ Thomson's experiment provided evidence that an atom

The substances that undergo change in a chemical reaction are called

In an electron dot diagram, the dots represent

Which of the following is NOT part of Dalton's atomic theory?

What type of bond occurs between a metal and a non-metal?

Group 7A of the periodic table contains the

Which subatomic particle has a negative charge?