Atoms/Ions
All neutrons are positive, negative, or neutral
What is neutral?
How many Neutrons does
42Ca
20
22 neutrons
Most atoms have a ________ charge.
a. positive
b. negative
c. no
What is "c. no charge"?
Most atoms have the same number of protons and electrons
One property of metals is that they are able to bend without breaking. The can be moldable. This property is called __________
What is malleable or malleability?
On the periodic table there are ____ groups (how many)
What is 18 groups?
All protons are _____________
a. positively charged particles
b. negatively charged particles
c. Neutral Particles
What is "positively charged particles"?
Magnesium isotope has 12 protons, 12 electrons and 25 neutrons. What is its mass number?
37
The sum of the protons and neutrons in an atom's nucleus is its _______________.
What is the "atomic mass" or "mass number"?
All of the elements on the right side of the staircase on the periodic table are
a. metals
b. non-metals
c. metalloids
Non-metals
Atoms of the same element with different numbers of neutrons
What are isotopes?
Which group on the periodic table has a +1 charge? (Need family name)
Alkali Metals
What's the difference between
12C VS 13C
6 6
Be specific
The number of neutrons
The greatest number of electrons an atom can hold in its second energy level is ______________
What is 8?
Flourine, Chlorine, Bromine, and Iodine are part of what family?
Halogens
Elements that have properties of both metals and nonmetals are known as ______________.
What are metalloids?
What type of charge does chlorine form?
-1
What is the mass for Neon-22
The mass is 22
Which family has 8 valence electrons in its outer shell?
The noble gases
How many electrons can the 1st energy level of an atom hold?
What are 2 electrons?
On the Periodic table, most of the elements are metals, metalloids, liquids, gases, or nonmetals?
What are metals?
Ca+2
Does it gain or lose 2 electrons?
Lost 2 electrons
Elements in the same vertical column (group / family) have the same number of _________ _________
What are valence electrons?
Subatomic particles that make up the nucleus of an atom
What are Neutrons and Protons?
The Elements found in a PERIOD......
a: have the same properties
b. do not have similar properties
c. belong to the same family.d. Increase by atomic number.
What is d. increase by atomic number?
If an atom is electrically neutral, it means it has the same number of ________ and ________
What are protons and electrons?