When Mendeleev arranged the known elements of his day into a table, he found that elements with _____ fell into groups.
Every element has its own atomic number. The atomic number is the number of ____ in the nucleus.
In the modern periodic table, elements are arranged according to increasing ______.
Name the group 2 elements.
Elements in groups 3-12 are called ____.
____ somewhat conducts electricity when exposed to light, so it is used i solar cells and in light meters.
Name the element from the halogen group.
Which of the following grouping belongs to the Representative element group?
Which of the following is a Transition metal?
The electron located in an atom's outermost energy level are called _____.
Einsteinium, Es (99)
Calcium's group # and period #
Boron (5)
What is TRUE about the Alkali metal group and the Alkaline Earth metal group
Hydrogen's group # and period #
Tungsten (74)
Sodium (11)
The group that is HIGHLY reactive with water.
The group that is a great match for bonding with Group 1 (the Alkali metals).
Carbon (6)
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