Atomic Structure
Protons carry this type of charge
What is positive?
These are the name for rows
What are periods?
Elements are pure substances made up of only 1 type of these
What are atoms?
A molecule will have two or more of these in the chemical formula.
What are atoms?
Matter cannot be created or destroyed, it can only change forms.
What is the Law of Conservation of Mass?
These are the 3 subatomic particles that make up the atom
What are protons, neutrons, and electrons?
These are the vertical columns on the Periodic Table
What are groups/families?
The majority of elements on The Periodic Table are made up of these. (Metals, Metalloids, or Nonmetals)
What are metals?
If a substance is a compound, it will have two or more of these in the chemical formula
What are elements?
Before a chemical reaction occurs, the equation shows that there are 12 atoms present. This is the number of atoms that will be present after the reaction.
What is 12?
Neutrons carry this charge
What is neutral/no charge?
The big, whole number on the periodic table. It represents how many protons an element has.
What is Atomic Number?
How many protons Iodine has.
What is 53?
The classification(s) that applies to ALL of the following: Si Cu4 N2
What is element?
On the periodic table of elements, Silicon is further classified as this.
What is a Metalloid?
Electrons carry this charge.
What is negative?
The Atomic Mass of an element is roughly equivalent to this.
What is Protons + Neutrons?
How many Neutrons does Boron has.
What is 6?
The classification(s) that applies to ALL of the following: H2O CO2 N2
What is molecule?
Classify Chicken Noodle Soup
A. Compound
B. Mixture
C. Element
What is B. Mixture?
Protons and Neutrons are (physically) found here.
What is the nucleus of an atom?
This Russian scientist arranged what we now know as The Periodic Table of Elements
Who is Dimitri Mendeleev?
Given the two choice of Lithium & Chlorine, this element is likely a much better conductor.
What is Lithium?
The classification(s) that applies to ALL of the following: H2O CO2 NaCl
What are molecules and compounds?
Does the following chemical equation follow the Law of Conservation of Mass?
Fe2O3 + Mg --> 3MgO + 2Fe
No!