Chiky1807 Chiky1807

01-10-2020
Chemistry

contestada

Please help me!!

Why are there no atoms of elements that have masses as stated on the periodic table?

Respuesta :

Coliver2005 Coliver2005

01-10-2020

Answer:

The reason increasing atomic number doesn't always equate to increasing mass is because many atoms don't have the same number of neutrons and protons. In other words, several isotopes of an element may exist

Explanation:

Hope that helps!

Answer Link

Otras preguntas

Find the volume of a cylinder made by rotating a rectangle with a width of 5 feet and a length of 8. Round to the nearest whole number

write the composite function that represents (goF)(x)

a period of abnormally high emotion and activity is called??

give an approximate value of the square root of 1000 to the tenths place.

Which principal part of the verb best completes this sentence? They have __________ to serve sandwiches at the local coffee shop. A. began B. begins C. begin D.

PLZ HELP ME SOMEONE! Carol and Nora left the library at the same time. Carol biked east at a speed of 8 miles per hour. Nora biked west at a speed of 10 miles p

what is the solution to the inequality 13x+3<42

Which sentence contains an adverb clause? A. Dad will get some tape as soon as the stores open tomorrow. B. That was the book that Grandpa gave Billy in August.

K, m,n each stand for a whole number. They add together to make 1500 K+m+n=1500 M is 3 times as big as n. K is twice as big a n. Calculate the numbers k, m, n

PLEASE HELP Find the length of PQ in circle R to the nearest hundredths F. 9.42m G. 4.71m H. 3.14m J. 1.57m