Answer:
The number of valence electrons increases to 8 or, the atom gives up loosely held valence electrons.
Explanation:
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It is called a slope. A slope pointing downwards like this slash \ is considered a negative slope. If a slope pointing upward like this slash / then it is considered a positive slope. What if you had a line on a graph not pointing in either of those directions? If it were pointing straight up like this, | then it would be known as an undefined slope. Last but not least, if you had a line on a graph straight across like this, ____ then it would be zero slope :D
Hope this helps and is a little clear to understand :)
Given
velocityΔ v₁ = 6m/s
v₂ = 11m/s
Δ time = Δ t = 2s
sign / indicate as division.
acceleration a = Δv/ Δt
a = (v₂-v₁) / Δt
a = (11m/s -6m/s ) / 2s
a = (5m/s) / 2s
accerelation a = 2.5m