How many shells does Iodine have
5
How many shells does H have
1
10 electrons and 4 neutrons and 3 Protons, What is the charge on the atom?
-7
If S was a negative ion how many protons would it have
16
How many neutrons does F have
10
What type of metal is Selenium?
It is not a metal
If Astatine lost a neutron then what would the atomic number be
85
10 neutrons 11 Protons and 12 Electrons, What is the Mass number?
22
If Sr was a positive ion how many electrons would it have
36
How do you find the Neutrons in and atom
Mass - Atomic number
If there 88 electrons and the atom lost 2 electrons then what is the name of the element
Radium
What is the charge on Mg as an Ion
+2
How many electrons does K have
19
What is the charge on N as an Ion
-3
What is the charge on the nucleus of B
+5
If there are 14 protons and 15 neutrons and 16 electrons what would the atomic number be
14
How many electrons in the outer shell of Ne
8
What are the name of the metals in the middle of the table
Transitions metals
How many electrons in the outer shell of Ca
2
How many electrons does Se have as an ion
36
What period is sodium in
3
What is the name of Krypton's group
Noble gasses
How many electrons does Fe have
26
If Br was a negative ion how many extra electrons would it have
1
What separates the metals and the non-metals
Metalloids
What is the element with a mass number of 16
O
What is the name group 2
Alkaline earth metals
What is the charge on an atom with 4 Protons, 3 electrons and 7neutrons
+1
What is the mass of Be with 6 neutrons
10
30% and 3 amu 40% and 4 amu 20 % and 5 amu 10% and 2 amu What is the average atomic mass in sig figs
4 in sig figs
If Ba was a positive ion how many protons would it have
56
How many protons dos Na have
11
Which element has 16 neutrons
Sulrfur
What subatomic particles are found in the nucleus
Protons and neutrons
How many valence electrons does P have
5
How many periods on the periodic table
7
How many electrons does Ca have as an Ion
18