SPS1a Atom Models Practice

Front

What is the atomic number of Bromine (Br)?

Back

35

Front

How many valence electrons does Bromine (Br) have?

Back

4

Front

What is the atomic mass of Bromine (Br) rounded to the nearest whole number?

Back

80

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms and influence the chemical properties of the element.

Front

What is the periodic table and what information does it provide?

Back

The periodic table is a tabular arrangement of elements, organized by increasing atomic number, that provides information about each element's atomic mass, valence electrons, and other properties.

Front

How do you determine the number of protons in an element?

Back

The number of protons in an element is equal to its atomic number, which is found on the periodic table.

Front

What are the main groups of elements in the periodic table?

Back

The main groups include metals, nonmetals, and metalloids, each with distinct properties.

Front

What is the difference between atomic mass and atomic number?

Back

Atomic number is the number of protons in an atom, while atomic mass is the weighted average mass of an atom's isotopes.

Front

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

Back

The number of neutrons can be found by subtracting the atomic number from the atomic mass.

Front

What role do electrons play in an atom?

Back

Electrons are negatively charged particles that orbit the nucleus and are involved in chemical bonding.