Atomic numbers of an atom are the same as the number of what in an atom?
Protons
What element is this electron configuration 1s2 2s2 2p6
Neon
Which of the following elements is the most electronegative?
-Helium
-Gallium
-Phosphorous
-Titanium
Phosphorous
Name some alkali metals.
Lithium, Sodium, Potassium
What is the symbol for iron?
the symbol is Fe
This element has 36 protons what is the atomic number?
36
How many orbitals are completely filled in an atom whose electron configuration is 1s22s22p63s1?
There are 5 filled orbitals.
Which of the following can contain atoms that can have multiple oxidation states?
-Halogens
-Transition Metals
-Alkaline Earth Metals
-Alkali Metals
Transition metals
What are the last two rows called?
They are called Lanthanides and Actinides.
Most electronegativity who am I?
I am Fluorine.
This element has a mass number of 12 and six neutrons what element is this?
Carbon
Name the different types atomic orbitals.
share, principle, difference, fine
Which of the following has the smallest atomic radius?
-Potassium
-Lithium
-Sodium
-Cesium
Lithium
In which groups of the periodic table do the transition metals belong?
They belong too group 3B to 12B.
You breathe this every day ?
The total number of electrons allowed in the first shell is ?
2 electrons
State Aufbau principle
Electrons fill orbitals that have the lowest energy first.
Which of the following elements has the largest atomic radius?
-Cesium
-Sodium
-Fluorine
-Strontium
Cesium
Which group of elements is the most unreactive?
Group 8 because they have their energy levels filled.
This element is found in foods like a banana ?
It is Potassium.
Atoms that have more ______, than protons in the nucleus have a negative charge ion.
Electrons
How do you write Electron Configuration for Sulfur which has an atomic number of 16?
1s22s22p63s23p4
Which of the following has the Largest atomic radius?
-Hydrogen
-Francium
-Radon
-Fluorine
Francium
Why are the alkaline-earth metals less reactive than the alkali metals?
It takes more energy to remove two valence electrons from an atom than one valence electron.
What is in a pencil?
There is Carbon in a pencil.