Atoms
Elements
Molecules
Compounds
Random
100

The number of hydrogen atoms in a molecule of H2

Two

100

H is the chemical symbol for this element

Hydrogen

100

The number of sodium atoms in this molecule 

3NaCl

3 sodium atoms

100

A substance made up of two or more different elements is called...

Compound Molecule

100

What is the center of an atom called?

Nucleus

200

The basic building block that makes up all elements

Atom

200

The chart used by scientists to list all the elements

Periodic Table

200

The number of carbon atoms in this molecule  

3C02

3 carbon atoms

200

Is H20 a Elemental Molecule or a Compound Molecule?

Compound Molecule

200

This is the branch of physical science that studies matter and the reactions of matter

Chemistry

300

What is He?

Helium

300

Substance made up of only one kind of atom

An element

300

What is the word used to describe how atoms in a molecule "stick" together?

Bond, bonding, or bonded

300

Is O2 a Elemental Molecule or a Compound molecule?

Elemental Molecule

300

Elements can occur in any of these phases/states

Solid, liquid, and gas

400

What is the difference between an atom and a molecule?

The atom is the smallest particle of matter and molecules form when two or more atoms bond together

400
Which element has the symbol N?

Nitrogen

400

How many Hydrogen atoms are in C14H26O14?

26

400

How many atoms are in a molecule of glucose/sugar?

C6H12O6

24 atoms

400

Most elements occur in this state

Solid

500

What is Zn?

Zinc

500

Name this element Fe

Iron

500

Three oxygen molecules bonded together for the substance ozone.  Ozone is an example of a Elemental Molecule, a Compound Molecule,  or both?

Elemental Molecule

500

What 2 elements create table salt?

Sodium and Chlorine NaCl

500

How many Hydrogen atoms are present (2H2O)

4