Subatomic particles
Name the 3 subatomic particles of an atom
What are proton, neutron and electron
These are found on the left of the staircase line on the periodic table
What are the metals
How do you find the number of electrons and protons for a neutral element?
What is the atomic number
What is the trend for atomic radius?
decreases across and increases down
List 3 properties of metals
Luster, ductile, malleable, conductive
An atom with 10 protons, 11 neutrons, and 12 electrons has a mass of:
21
If I have 20 electrons and have no charge what element am I?
What is Calcium.
What is ionization energy?
The energy required to remove an electron.
This subatomic particle has almost no mass
What is the electron
The elements on the staircase line are called what?
What are metalloids
How do you find the number of neutrons in an element?
What is mass number - atomic number
I am in the alkali metals in the second period. Who am I?
What is lithium
S
Most of the volume of an atom is made up of:
What is empty space?
The elements on the periodic table are arranged according to the number of ____________ in the element
What is the protons
An ion of sulfur has a -2 charge. How many protons and electrons does it have?
16 protons
18 electrons
How many neutrons does Argon-40 have?
What is 22
Which group has no electronegativity? Explain
Noble gases - they have no attraction for electrons
What are the names of groups 1, 2, 17, and 18?
What are alkali metals, alkaline earth metals, halogens, and noble gases?
1. What element is it?
2. What is its charge?
3. Is it a cation or anion?
Aluminum, +3, cation
What is the most notable property of the noble gases?
Nonreactive
Explain WHY bromine is larger than chlorine.
Bromine has more electrons shells.