Atomic Structure
This, on the periodic table, states the number of protons.
What is the atomic number?
This element has the electron configuration of 1s22s22p2.
What is Carbon?
All Halogens have this number of valence electrons.
What is 7?
Metalloid with 3 valence electrons.
What is Boron?
A metal that loses electrons is called this.
What is a cation?
These are the two subatomic particles located in the nucleus.
What is protons and neutrons?
This element has the shorthand notation of [Kr] 5s1
What is Rubidium (Rb)?
This group is classified as unreactive due to having a full octet.
What is Noble Gases?
Alkali Metal from period 4.
What is Potassium?
Element X has two isotopes.
One with a mass of 8 amu with a 75% abundance and another with 12 amu with a 25% abundance. The average atomic mass for element X is this.
The charge of the nucleus is this.
What is positive?
This element has the electron configuration of 1s22s22p63s23p6
What is Argon?
This family always has 2 valence electrons.
What is the Alkaline Earth Metals?
Forms a -3 ion from period 2.
What is Nitrogen?
Doing this makes an element become an anion.
What is gaining electrons?
Addition of protons and neutrons equals this.
What is the mass number?
When writing the shorthand notation for an element, this is always placed in brackets.
What is the Noble Gas symbol for the element behind?
This is the number of valence electrons that Arsenic has.
What is 5?
Neutral atom with 27 electrons.
What is Cobalt?
An element has 50 protons, 79 neutrons and 54 electrons. The element name and charge are this.
What is Tin and -4?
What is an Isotope?
This electron configuration, 1s22s22p63s23p64s24d104p6, is incorrect, explain why.
When reading an electron configuration for an element, the outer these state the valence electrons.
What are the s and p sublevels?
What is Polonium?
The 4th energy level can hold a maximum of this many electrons.
32 electrons (s,p,d,f)