9 - atomic structure, vocab, bohr - Nov 9

What is the mass of protons?

• 0

• 2

• 3

• 1

Where are the electrons located in an atom?

• In the energy levels around the nucleus

• In the neutrons

• In the empty space of the atom

• Inside the nucleus

What is the valence shell of an atom?

• The nucleus

• The outermost occupied energy shell

• The innermost occupied energy shell

• The space between the nucleus and the energy levels

What is the definition of an ion?

• An atom with a positive or negative charge

• An atom with no charge

• An atom with only protons

• An atom with only neutrons

What is a periodic trend?

• A random variation in the properties of elements

• A pattern in the properties of elements based on their atomic structure

• A trend that occurs only in non-metals

• A constant property of all elements

What is an ionic compound made of?

• One metal and one non-metal

• One metal and one metalloid

• Two metals

• Two non-metals

What is a covalent bond?

• A strong attraction between atoms that forms when they share electrons

• A strong attraction between oppositely charged ions

• A bond that occurs only in metals

• A weak attraction between atoms

What is a multivalent metal?

• A metal that can form only negative ions

• A metal that cannot form ions

• A metal that can form two or more types of ions with different charges

• A metal that can form only one type of ion

What is a binary ionic compound made of?

• One metal and one metalloid

• One metal and one non-metal

• Two metals

• Two non-metals

What is a polyatomic ion?

• An ion made up of only protons

• An ion made up of only one atom

• An ion made up of two or more covalently bonded atoms

• An ion made up of only neutrons