Answer:
The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.
Step-by-step explanation:
Hey there!
<u><em>Your answer is </em></u>
<u>Here are the steps to solve:</u>
<em>Given:</em>
<em />
<em>Distribute negative sign:</em>
<em />
<em>Add like terms:</em>
<em />
Have a great day! Hope it helped!
Answer:
You must order the operations in the way that it unfolds in the explanation;:
Step-by-step explanation:
(25 x 9) +75 + 50+ 9 x ( 3 + 1)
When performing the operations we have the following results:
(25 x 9) =225 +75= 300+50 = 350+9 = 359 x (3+1 )
Now we must solve the following: 359 x (4) = 386
Answer:
3/1 tsp. or 3 tsp.
Step-by-step explanation:
3/4 times 4