Advanced Chem Review - Blast from the all over the place

A majority of the elements are the periodic table are____

• metalloids

• nonmetals

• metals

• gases

Elements in the same group or family have the same number of______

• neutrons

• protons

• valence electrons

• energy levels

The periodic table is arranged in order of increasing ______

• atomic mass

• atomic numbers

• electron number

• isotope number

Which of the following indicates that a chemical change has occurred?

• steam forms as water boils

• a yellow solid forms when solutions are mixed

• a substance dissolves in water

• a substance is crushed

Which is true regarding the nucleus of an atom?

• it is the central core and composed of protons and electrons

• it is the central core and composed of protons and neutrons

• it has a positive charge and is composed of neutrons and electrons

• it has a positive charge and has a low density

The smallest particle if an element that retains the properties of an element is called _____

• atom

• proton

• electron

• neutron

Which type of bond results from the sharing of electrons?

• metallic

• ionic

• covalent

• James

Which of the following boxes has the highest density?

• A

• B

• C

What is happening between letters A and B?

• Solid

• Liquid

• Evaporation

• Melting

The before and after images to the right show…

• liquid vaporizing into a gas

• solid melting into a liquid

• liquid freezing into a solid

• gas condensing into a liquid