Coloque V para indicar verdadeiro e F para indicar falso para as afirmações: a) ( ) Um quadrilátero que tem as diagonais com comprimentos iguais é um retângulo.
b) ( ) Todo losango tem as diagonais com comprimentos iguais.
c) ( ) As diagonais de um paralelogramo cortam-se mutuamente ao meio.​

i think that you should ask google for the answer to that problem because if we don't know it google does

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

its an acute right triangle

step-by-step explanation:

answer: 7. if the functions had a negative leading coefficient and is of even degree, which statement about the graph is true?

step-by-step explanation: