Elements
What is this element, C?
Carbon
What elements are in this molecule: NH3
Nitrogen and Hydrogen
What is an isotope?
An element with the same number of protons and electrons but different number of neutrons.
What is a positive ion called?
Cation
What particles are in the nucleus of an atom?
protons and neutrons
What is this element Eu?
Europium
What elements are in this molecule: C7H8N4O2
Carbon, Hydrogen, Nitrogen, Oxygen
What does the number next to the isotope represent?
The atomic mass
What is a negative ion called?
Anion
What is the charge of a neutron?
No charge 0
What element has 76 protons?
Osmium
How many elements are in the molecule: SO4
5 elements
How many protons does Sodium- 25 have?
11 protons
What is an ion?
An atom with charge.
What does the atomic number tell us?
The number or protons in the nucleus
What element has 82 protons?
Lead
How many elements are in this molecule: C6H12O6?
24
How many neutrons does Cobalt- 60 have?
33 neutrons
If I have a helium atom and it gains 2 electrons what type of ion does it become?
Anion
Which model of the atom is the current accepted model?
Quantum Model or Schrodinger's model
What element has 18 electrons?
Argon
How many protons are in the molecule: NaOH
22 protons
Which isotopes has the greatest number or neutrons:
Arsenic - 80 or Zirconium - 91
Zirconium - 91
If I have a Nitrogen atom and it loses 3 electron what type of ion does it become?
Cation
Who discovered that the center of the atom is positive?
Rutherford