Periodic Table of Elements
Explore questions in the Periodic Table of Elements category that you can ask Spark.E!
- The size of an atom is due mainly to the number of occupied that the atom has.
- How many valence electrons do noble gases have
- The elements in group __ do not have defined values for electronegativity.
- The size of a positive ion is always ______ than the size of the neutral atom from which it was made.
- The elements in group 12 have a ____ electron configuration.
- As you move across a period from left to right, the size of an atom will ______. This is due to the increased number of ______ that the atoms have as you move to the right.
- As you move down a group, the size of the atoms will ______ due to a greater number of _______ as you move down the group.
- An atom with a positive or negative charge is called an ____. It becomes charged when it loses or gains _____.
- The amount of energy required to remove the most loosely held electron from an atom is called the _______
- The second most abundant element in the crust
- All the elements in group ____ have an electron configuration that ends in p2.
- The elements in the periodic table are presently arranged in order of increasing
- How many valence electrons do the carbon family have
- When the elements of the periodic table are arranged in order of increasing atomic number there are patterns in their physical and chemical properties within a
- Halogens ________form with many metals
- An element that has physical properties of a metal and nonmetal
- The 2 rows on the bottom of the periodic table are also known as the _____ block.
- How many valance electron's do the oxygen family have
- All the elements in group 17 will have a ___ configuration in their outermost energy level.
- What elements are very reactive but not as reactive as AM