Which element has the same number of valence electrons as bromine (Br)? (1 point)
O selenium (Se)
O potassium (K)
O krypton (Kr)
O chlorine (CI)

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g

Is the vertical component of velocity ever zero?