gbailey7190 gbailey7190

01-12-2022
SAT

contestada

Helium has an atomic number of 2. How many protons and electrons does it have?

Respuesta :

donah2020 donah2020

02-12-2022

Since helium has an atomic number of two, it has 2 protons and 2 electrons

Explanation: The atomic number is determined by the number of protons and electrons an element has

Answer Link

Otras preguntas

Carl has 45 coins, and 18 of the coins are pennies. The rest of his coins are dimes. which one is it? 18 27 45 63

A single-turn current loop, carrying a current of 4.03 A, is in the shape of a right triangle with sides 68.1, 151, and 166 cm. The loop is in a uniform magneti

What value is equivalent to 2^3 · 3^4? A) 162 B) 324 C) 468 D) 648

Computer stocks currently provide an expected rate of return of 16%. MBI, a large computer company, will pay a year-end dividend of $2 per share. If the stock i

Which sentence in this excerpt from Leo Tolstoy's The Death of Ivan Ilyich suggests that Ivan Ilyich enjoyed the authority, significance, and sense of accomplis

(from Ohanian): A spaceship of frontal area 15 m2 moves through a large dust cloud with a speed of 2 x 106 m/s. The mass density of the dust is 7 x 10-18 kg/m3.

Simplify the expression where possible. (x^4y^2)^3

What is the slope of a line perpendicular to the line whose equation is y = 2x + 5? slope = -1 slope = - slope = -2

A field is a rectangle with a perimeter of 1040 feet. The length is 300 feet more than the width. Find the width and the length of the rectangular field. What i

Christopher came down with chicken pox after spending time in his child's day care. The chicken pox represents what link in the chain of transmission in this sc