SCH 3U / 4C: Exam Review

How many neutrons are in the nucleus of the following atom:

What is the complete symbol for a cobalt atom with a mass number of 60?

Which of the following atoms has the lowest electronegativity?

How does atomic radius change as you move down a group on the periodic table?

How does atomic radius change as you move across a period (row) on the periodic table?

Which shape do Group 14 elements usually make? (all single bonds)

Atoms of the same element with differing number of neutrons are called ________.

VSEPR theory - what is the main determining factor of molecular shape?

Which subatomic particle is used to identify an element, as it never changes?

What does the atomic number identify?

The energy required to remove an electron from an atom is called ...?

Which shape do Group 15 elements usually make? (all single bonds)

Which shape do Group 16 elements usually make? (all single bonds)

How many protons are in the following atom?

Which shape do Group 13 elements usually make? (all single bonds)

How many neutrons are in the isotope Carbon-14?

How many electrons does the following ion have?

Which type of ion typically has a larger atomic radius than the neutral atom?

Which of the following atoms would have the highest ionization energy?

Which subatomic particle plays the greatest role in determining an atom’s chemical properties?

Which isotope contains 38 protons and 50 neutrons?

Atoms of the same element with differing number of electrons are called ________.

What is unique about Noble Gases?

What is/are the key underlying concept(s) found throughout chemistry?

The number of protons + neutrons in an atomic nucleus is referred to as what?

How many electrons does the following ion have?