Writing Chemical Formulas for Ionic Compounds Quiz

What does the atomic number (Z) represent?

Number of protons in the nucleus

Which statement best describes the mass number (A)?

Number of protons + number of neutrons

What are isotopes?

Atoms of the same element with different numbers of neutrons

What is the complete chemical symbol notation for the isotope of hydrogen with one proton and two neutrons?

_1^3H Signup and view all the answers

What is the melting point of potassium?

64°C Signup and view all the answers

Which of the following is a physical property of potassium?

Melting point (64°C) Signup and view all the answers

Based on the text, which substance reacts with potassium?

Chlorine Signup and view all the answers

What does the text define as 'Element'?

A substance that cannot be decomposed into simpler substances by any chemical reaction Signup and view all the answers

In writing chemical formulas for ionic compounds, which of the following is always written first?

The positive ions Signup and view all the answers

What is the role of subscripts in the formula of an ionic compound?

To show the combining ratio for the ions Signup and view all the answers

Which type of compound is composed of a metal as the positive ion and a nonmetal as the negative ion?

Binary ionic compounds Signup and view all the answers

If more than one compound can be formed from the same elements, what should be used to indicate the number of each kind of atom?

Prefixes Signup and view all the answers

What is the maximum volume of water, in liters, that the fish tank can hold?

40.0 L Signup and view all the answers

What is the density of silver in g/cm3?

0.754 g/cm3 Signup and view all the answers

What is the volume of blood in m3?

$5.2 \times 10^{-6}$ m^3 Signup and view all the answers

What is the speed of the jogger in km/hr?

25 km/hr Signup and view all the answers