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What three things can the periodic table tell you about an element?
NameAbbreviationAtomic Number (number of protons = number of electrons)Number of neutrons in various isotopesAtomic massValenceGroup
What three things are elements on the periodic table usually identified as?
Elements on the periodic table are usually identified by their atomic number, atomic symbol, and atomic weight. The atomic number represents the number of protons in the nucleus, the atomic symbol is a one- or two-letter abbreviation for the element, and the atomic weight represents the average mass of the element's atoms.
How many protons are in an atom represented by 220 88 Ra?
The 220 is the atomic MASS, which is the number of protons plus the number of neutrons. 88 is the atomic NUMBER, which is the number of protons only. The "Ra' is the abbreviation for radium, one of the first-detected radioactive elements.
What is the abbreviation for the atomic mass unit?
The abbreviation for atomic mass unit is amu, which stands for atomic mass unit. It is a unit of mass used to express atomic and molecular weights.
What element has the average atomic mass of 190.2?
Arsenic has an atomic mass of 74.9216 rounded to 74.922. It's chemical symbol is-As-and it's atomic number is 33.
Sg is the abbreviation for what element?
Seaborgium. The Atomic Number is 106.
Where are these numbers found in the periodic table?
There are multiple numbers on the periodic table. The ones right under the abbreviations is the atomic weight of the atom. The number just above the abbreviation is the atomic number. Here is an example: Sodium 11= Atomic Number Na= Atom Abbreviation 22.99= Atomic weight
What is the Abbreviation for argon?
The abbreviation for argon is Ar. The name argon comes from the Greek word argos. It's atomic number is 18 and its atomic weight is 39.948
What replaces Ni in the periodic table?
Ni is the abbreviation of the element Nickel. It has the atomic number of 28.
What is the abbreviation of phosphorus in the periodic table?
The chemical symbol for phosphorus is P. It is a non-metal with atomic number 15.
What kind of element tells atomic number atomic weight and symbol?
An elements symbol is an abbreviation of a chemical element, which makes it easier to read the Periodic Table if you know your abbreviations for each element as it won't be so cluttered. The atomic number is the number of protons found in the nucleus of an atom. In an atom of balanced/neutral charge, the Atomic Number is the number of electrons.
What three things can the periodic table tell you about an element?
NameAbbreviationAtomic Number (number of protons = number of electrons)Number of neutrons in various isotopesAtomic massValenceGroup
What three things are elements on the periodic table usually identified as?
Elements on the periodic table are usually identified by their atomic number, atomic symbol, and atomic weight. The atomic number represents the number of protons in the nucleus, the atomic symbol is a one- or two-letter abbreviation for the element, and the atomic weight represents the average mass of the element's atoms.
How many protons are in an atom represented by 220 88 Ra?
The 220 is the atomic MASS, which is the number of protons plus the number of neutrons. 88 is the atomic NUMBER, which is the number of protons only. The "Ra' is the abbreviation for radium, one of the first-detected radioactive elements.
What is the atomic number for the element Hz?
There is no element with the abbreviation "Hz". There's He (helium) with Z = 2, Ho (holmium) with Z = 67, Hf (hafnium) with Z = 72, and Hs (hassium) with Z = 108.Hz is the abbreviation for "hertz" in physics, but that's not a chemical element.
The abbreviation for atomic mass unit is?
Amu
Abbreviation for atomic mass unit is?
amu
