CH2 TEST REVIEW 'MINERALS'

Indicate whether the statement is true or false. Graphite and diamond have the same chemical compositions and different crystalline structures.

• True

• False

Indicate whether the statement is true or false. Mineral luster is broadly classified as either being metallic or non-metallic.

• True

• False

Indicate whether the statement is true or false. In a silicon-oxygen structural unit, silicon atoms occupy corners of the tetrahedron.

• True

• False

Tags

NGSS.MS-PS1-1

Indicate whether the statement is true or false. Calcite and halite react with dilute acids to evolve carbon dioxide.

• True

• False

Tags

NGSS.MS-PS1-2

Identify the choice that best completes the statement or answers the question. The most abundant element in Earth’s continental crust (by weight) is ____.

• oxygen

• silicon

• calcium

• iron

What are the building blocks of minerals?

• rocks

• elements

• isotopes

• electrons

The central region of an atom is called the ____.

• proton

• electron

• nucleus

• neutron

The smallest particle of an element that still retains the element’s properties is a(n) ____.

• compound

• atom

• isotope

• mineral

If the atomic number of an element is 6 and its mass number is 14, how many neutrons are contained in the nucleus?

• 6

• 20

• 14

• 8

Tags

NGSS.MS-PS1-1

An atom that loses or gains electrons is called a(n) ____.

• isotope

• proton

• neutron

• ion