If it is t/f, this is true.
The basic layout of the current periodic table has:
Columns known as groups, the elements inside each of which having similar properties.
Rows known as periods. The elements in a given period have the same number of electron shells.
Answer:
y < - 8 1/4
Explanation:
2/3y - 7 < 1/2 - 13
Collect like terms
2/3y < 1/2 - 13 + 7
2/3y < - 11/2
Divide both sides by 2/3
2/3y ÷ 2/3 < - 11/2 ÷ 2/3
2/3y * 3/2 < - 11 /2 * 3/2
y < - 11 /2 * 3/2
y < - 11 /2 * 3/2
y < - 33 / 4
y < - 8 1/4
Answer:
Argentina, Chile, Uruguay.
