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A(n) _________________ tells us the number of atoms of each element in a compound.
TRUE
2
Identify elements in the same group.
chemical formula
4
Their outermost shell is full/complete with 8 valence electrons.
How many valence electrons it has.
No - Sodium (Na) would need to lose 1 valence electron to become stable
Carbon is a group 14, period 2 element. How many bonds can this atom form? (Tip: consider its Electron Dot Diagram)
TRUE
2
Identify elements in the same group.
chemical formula
4
Their outermost shell is full/complete with 8 valence electrons.
How many valence electrons it has.
No - Sodium (Na) would need to lose 1 valence electron to become stable
If I wanted to find out which elements on the periodic table have similar chemical properties and characteristics, which of the following would be the best approach?
TRUE
2
Identify elements in the same group.
chemical formula
4
Their outermost shell is full/complete with 8 valence electrons.
How many valence electrons it has.
No - Sodium (Na) would need to lose 1 valence electron to become stable
Sodium (Na) is a Group 1 element, in Period 3. Is Sodium stable?
TRUE
2
Identify elements in the same group.
chemical formula
4
Their outermost shell is full/complete with 8 valence electrons.
How many valence electrons it has.
No - Sodium (Na) would need to lose 1 valence electron to become stable
Elements are organized on the periodic table in vertical columns, called groups. What can groups tell us about the electron configuration of an atom of a particular element?
TRUE
2
Identify elements in the same group.
chemical formula
4
Their outermost shell is full/complete with 8 valence electrons.
How many valence electrons it has.
No - Sodium (Na) would need to lose 1 valence electron to become stable
Why are Noble Gases (Group 18 Elements) stable?
TRUE
2
Identify elements in the same group.
chemical formula
4
Their outermost shell is full/complete with 8 valence electrons.
How many valence electrons it has.
No - Sodium (Na) would need to lose 1 valence electron to become stable
Beryllium is a group 2, period 2 element. How many bonds can this atom form? (Tip: consider its Electron Dot Diagram)
TRUE
2
Identify elements in the same group.
chemical formula
4
Their outermost shell is full/complete with 8 valence electrons.
How many valence electrons it has.
No - Sodium (Na) would need to lose 1 valence electron to become stable
Elements rarely exist in pure form in nature. (True or False)
TRUE
2
Identify elements in the same group.
chemical formula
4
Their outermost shell is full/complete with 8 valence electrons.
How many valence electrons it has.
No - Sodium (Na) would need to lose 1 valence electron to become stable
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