lithium
The atomic number is the number of protons.
The product of the same two numbers, is the number's square.
The product is positive.The rule is, "Numbers with like signs give a positive product.", and conversely, "Numbers with unlike signsgive a negative product."
The product of two negative numbers results in a positive number.
Prime factorization is writing a composite number as a product of prime numbers.
Berium is a metalloid with atomic number 56.
Francium 221
Germanium (Ge) Atomic Number- 32 Atomic Mass-72.59
No element has this atomic number. All atomic numbers are whole numbers.
Carbon is considered a nonmetal. It has an atomic symbol of C and atomic number of 6. It is a solid in its standard state.
The answer is arsenic and this is a solid chemical element, atomic number 33 and its atomic weight is 74,921 60(2). Arsenic is a metalloid.
Thulium--Tm, atomic number 69--is a silvery-white metal.
Ca is an alkaline earth metal.It has atomic number of 20.
Atomic number= number of protons. Hydrogen atomic number=1
Astatine is the largest metalloid on the periodic table. This metalloid has an atomic number of 85. Its molar mass is 210 gram per mol.
Only the counting numbers can exist as atomic numbers. Fractions and decimals cannot be an atomic number.
metal -->nonmetal --> gaseous (metal --> nonmetal --> metalloid)