1) A compound is made up of two or more ___________________ of atoms.  a) different types b) similar types c) bonded pairs d) identical sets 2) Matter is defined as anything that has ______________ and volume.  a) density b) mass c) length d) height 3) The states of matter are solid, liquid, gas, and __________. a) density b) non-Newtonian fluid c) plasma d) super-solid 4) Oxygen is considered a(n) ____________________ because it is made of one type of atom. a) compound b) proton c) electron d) element 5) We identify elements by the number of _________________ in their nucleus. a) protons b) neutrons c) quarks d) electrons 6) A(n) ____________________ is composed of a single type of atom. For example, Oxygen is made of just oxygen atoms. a) compound b) substance c) element d) nucleus 7) A molecule is made up of any two or more __________________ bonded together.  a) elements b) atoms c) compounds d) liquids 8) What is the orange part with the + on it?  a) electron cloud b) nucleus c) electron d) proton e) neutron 9) What is the purple part with the - on it?  a) electron cloud b) nucleus c) electron d) proton e) neutron 10) What is the green part in the center of the model? a) electron cloud b) nucleus c) electron d) proton e) neutron 11) This photo shows an organized chart of all of the _______________ discovered so far. a) elements b) compounds c) mixtures d) water molecules e) periodics 12) Which part of the picture represents the chemical symbol? a) 50 b) Sn c) Tin d) 118.711 13) Atoms are the smallest unit of matter.  a) true b) false 14) Water (H 2 O) is an element. a) true b) false 15) Elements can have more than one atom, but not more than one TYPE of atom.  a) true b) false 16) NaCl (salt) is considered a compound.  a) true b) false 17) Brain Teaser: All compounds are molecules, but not all molecules are compounds.  a) true b) false 18) Electrons have a negative charge.  a) true b) false 19) Gold(Au), Nitrogen(N), and Iron (Fe) are examples of __________________. a) compounds b) elements c) mixtures d) protons 20) The model represents 1 molecule of a) Carbon Dioxide b) Ammonia c) Water d) methane 21) The human body has the greatest percentage of these elements a) Calcium, Hydrogen, Iron, Silicon, Iodine b) Oxygen, Carbon, Hydrogen, Nitrogen, Calcium,  c) Chlorine, Sodium, Water, Carbon Dioxide, Oxygen

2023 Atoms, Elements, Molecules and Compounds

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?