Chemistry - Chapter 2

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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


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