Periodic Table
Atomic Structure
Miscellaneous and Bonding
Periodic trends
Ions
100
The number of electrons in Chlorine
What is 17
100
Atoms have no electric charge because they have __________.
Have an equal number of protons and electrons
100
Electrons in ionic bonds behave in this manner
Transferred from one atom to another.
100
Which symbols represent atoms that are isotopes?
C-14 and N-14
I-132 and I-132
O-16 and O-18
Rn-222 and Ra -222
O-16 and O-18
100
What is the charge of any element that gained 2 electrons
-2
200
One-Third of the periodic table is considered?
Non-metals.
(Metals are 2/3rds of it)
200
A subatomic particle that has a positive charge is called a(n)
What is a proton
200
In non Polar bonds, electrons do this.
shared equally by two atoms.
200
What is the most electronegative element on the periodic table?
Fluorine
200
Anions have what charge?
negative.
(Cations are positive)
300
Mendeleev organized his periodic table by what similar item?
Atomic masses
300
What is the definition of an isotope?
atoms of the same element with a different number of neutrons.
300
Democritus contributed to the atomic theory by ________
Naming the atom with atomos.
300
1s22s22p63s23p5 is the electron configuration for which element
This is Chlorine.
300
If an element has an atomic number of 17, what does this mean?
it has 17 protons in its nucleus
400
The atom's of nucleus contains these 2 subatomic particles.
Protons and neutrons.
400
What is the number of protons of this element?
29
400
A sample of element X contains 90% X-25, 8.0% X-27, and 2.0% X-28 atoms. The average atomic mass will be closest to which value?
What is 25.
The key words are closest to!! I do NOT want you to calculate this, I want you to critically think about percentages.
400
An ionic compound is made up of what two types of elements?
A Metal and a Non-metal
400
The number of neutrons in a neutral atom with a mass number of 86 and 33 electrons is
86-33 = 53
500
This column is called the Halogens
Column 17.
500
How many protons does sodium have?
11
500
This is the picture of a nucleus of what element?
Helium
500
Covalent bonds have the characteristics of:
Low melting points.
Sugar melts! Also a lot of gases are covalent.
500
Ionic bonds are most know for which characteristic?
high melting points.
Think of how hard it is to melt salt.
600
What is section 4
Transition metals.
1. metals
2. inner transition metals
3. non-metals
600
Overall, this group has the lowest ionization energy.
Alkali Metals
600
This represents what type of bond?
Polar Covalent
600
The following electron dot diagram represents a molecule that has what type of bond:
Polar Covalent.
Polar- Uneven sharing
Non-Polar- Evenly sharing.
600
Metallic bonds are _________ in water.
Not Soluble in water