Atoms
The smallest unit that everything in the world is made up of and can exist alone or in combination
What is an atom?
The reactivity of an atom depends on
What is the number of electrons in its outer shell/orbital?
The minimum number of atoms required to make a molecule
What is 2?
The elements on the Periodic Table all have the same properties, true or false.
What is false?
What is positive?
The number of electrons in the outer shell of a stable atom
What is 8?
The chemical element is when two or more different atoms bond together, true or false.
What is false?
A chemical element is when two or more of the same atom chemically bond (i.e. O2, Cl2).
The number of electrons of Tungsten if it has 74 protons
The charge of an electron
What is negative?
The range (___ to ___) of electrons in the outer shell that make the atom reactive
What is 1 to 7?
The molecule that consists of two or more different atoms
What is a chemical compound?
The number at the bottom describes
13 AL (Aluminum)
26.982
What is the atomic mass?
The neutron(s) of an atom are located in
What is the nucleus?
The most reactive atoms have these types of shell
What is almost empty or almost full?
The molecule H2O is considered to be a
What is (chemical) compound?
The Periodic Table shows
What is all known chemical elements?
The characteristics that make atoms unique
What is the number of protons, electrons, and neutrons?
The atom Chloride has 7 atoms in its outer shell, describe Chloride's reactivity
What is highly reactive (because it is an almost full shell)?
The periodic table tiles each show an elements
What is the element's atomic number (#of protons/electrons), symbol, name, and atomic mass?