HChem 1st Semester Exam Review - 1

Front

What is the balanced equation for the reaction of SiCl4 with H2O?

Back

SiCl4 + 4H2O → H4SiO4 + 4HCl

Front

Balance the equation: CO2 + H2O → ? + O2

Back

6:6:1:6 (C6H12O6)

Front

What is the molecular geometry of CO2?

Back

Linear

Front

What elements generally make an ionic bond?

Back

Metal and nonmetal

Front

How many protons does Zinc (Zn) have?

Back

30

Front

What is the formula for calculating the number of protons in an element?

Back

The atomic number of the element.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds form between metals and nonmetals, while covalent bonds form between nonmetals.

Front

What is the significance of balancing chemical equations?

Back

It ensures the law of conservation of mass is followed.

Front

What is the molecular formula for glucose?

Back

C6H12O6

Front

What type of bond is formed between two nonmetals?

Back

Covalent bond