Chemistry - Chapter 2
What is a homogeneous mixture?
A solution
What is the chemical symbol for Aluminum?
Al
What is the name for the element Ar?
Argon
What is the chemical symbol for Arsenic?
As
What is the chemical symbol for Gold?
Au
What is the name for the element Ba?
Barium
What is the chemical symbol for Beryllium?
Be
What is the name for the element Br?
Bromine
What is the chemical symbol for Calcium?
Ca
What is the name for the element Co?
Cobalt
What is the name for the element Cu?
Copper
What is the chemical symbol for Chromium?
Cr
What is the chemical symbol for Cesium?
Cs
What are negatively charged particles called?
Electrons
What is the chemical symbol for Florine?
F
What is the chemical symbol for Iron?
Fe
What is the name for the element He?
Helium
What is the most abundant element in the universe?
Hydrogen
Atoms of the same element that differ in their mass numbers are called what?
Isotopes
What is the name for the element Kr?
Krypton
What is the name for the element Li?
Lithium
What is the chemical symbol for Manganese?
Mn
What is the chemical symbol for Neon?
Ne
What is the name for the element Ni?
Nickle
What is the name for the element N?
Nitrogen
What is the name for the element O?
Oxygen
What is the name for the element P?
Phosphorous
Positively charged particles are called what?
Protons
If a Cobalt atom has a mass of 59 and a 2+ charge, how many protons, neutrons, and electrons does it have? (Hint: N = A - Z)
Protons = 27 ; Neutrons = 32 ; Electrons = 25
If a neutral gold atom has an atomic number of 79 and a mass of of 191, how many protons, neutrons, and electrons does it have? (Hint: N = A - Z)
Protons = 79 ; Neutrons = 112 ; Electrons = 79
What is the chemical symbol for Platinum?
Pt
What is the chemical symbol for Radon?
Rn
What is the name for the element Rb?
Rubidium
What is the chemical symbol for Strontium?
Sr
What is the name for the element Sn?
Tin
What is the chemical symbol for Xenon?
Xe
What is the name for the element Zn?
Zinc