Honors Chemistry Review 1

Front

What is the name of FeCl₂?

Back

iron (II) chloride

Front

What atom matches the electron configuration 1s² 2s² 2p⁶ 3s²?

Back

Magnesium

Front

What is the molecular shape of BCl₃?

Back

trigonal planar

Front

What is an electrolyte?

Back

A substance that dissolves in water and conducts electric current.

Front

How many grams of K₂Cr₂O₇ are soluble in 100 g of water at 95 ºC?

Back

75 grams

Front

Define ionic bond.

Back

A chemical bond formed between two ions with opposite charges.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is the difference between an element and a compound?

Back

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 together.

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a solution is, ranging from 0 (acidic) to 14 (basic), with 7 being neutral.

Front

What is a mole in chemistry?

Back

A mole is a unit that measures the amount of substance, equivalent to 6.022 x 10²³ particles.