Parts of the atom
Located in the nucleus and has a positive charge
What is a proton
Elements are represented by either one capital letter one capital and one lower case letter,
This is known as the element's______________.
What is symbol?
This element contains 23 protons
What is V (vanadium)?
Some isotopes of iodine are widely used in nuclear medicine for diagnosing and treating thyroid disorders.
The atom in question has an atomic mass of 131, Is this a neutral atom , ion or isotope of I? (Hint: check periodic table)
What is an isotope?
The name of the group in the periodic table that contains Na, Li, and Cs?
What is alkali metals?
This particle is free moving and is located in the cloud
What is an electron?
This gives the element their identity
What is the atomic number (number of protons)
When this element forms an anion with a -2 charge, it contains 36 electrons
What is Se (selenium)?
An atom contains 31 protons, 39 neutrons and 28 electrons, is this a neutral atom, an ion or an isotope?
What is an ion?
The electron level where the valence electrons of Xe are
What is period 5 (or level 5)?
Its mass is 9.109 x 10-23 Kg
What is an electron
We can calculate the atomic mass of an element by adding these two particles
What are neutrons and protons?
The atomic mass of this element is 101, and its atomic number is is 44. How many neutrons doe the element have?
What is 57 neutrons?
An ion of Bi has 78 electrons, 126 neutrons and 83 protons, what type of ion is it and what is its charge?
What is a cation with a +5 charge?
Name one of the chalcogens
What is (O, S, Se, Te, Po, or Lv)?
These particles are responsible for over 99.9% of an atom's mass
What are protons and neutrons?
Elements to the left of the periodic table are ____________.
What is metals?
The nuclear symbol notation is 54Fe, knowing that the atomic number for Fe is 26, what is the difference in the number of neutrons from that of 56Fe?
.
What is 2 neutrons?
After looking at tellurium's location in the periodic table, what ion is the element most likely to form (provide charge)?
What is Te-2?
An element in group 7 and period 5 belongs to this group of the periodic table.
What are the halogens?
The heaviest particle in an atom.
What is the neutron?
Si, B, and Sb are all ______________.
What is metalloids?
Which of these are isoelectric species?
F-, Cl-, Li+, Na+ and Sr+2? Why?
What is F- and Na+, both contain 10 electrons.
A metal with an atomic mass of 55 forms a +7 cation, what is its atomic number if the ion contains 18 electrons?
What is 25?
As a group, these elements exhibit the following characteristics: dull, brittle, poor conductors, low melting point.
What are nonmetals?