Answer:
A. 11
Explanation:
atoms are made of three types of sub atomic particles - protons, neutrons and electrons
Protons are positively charged, electrons are negatively charged and neutrons are neutral.
Protons and neutrons are located inside the nucleus and electrons orbit around the nucleus in energy shells.
Atoms make up an element and atoms are neutral charged with an equal number of protons and electrons. Neutral atom of sodium would therefore have an equal number of positive charges and negative charges.
Since Na has 11 protons, for it to be neutral it would have 11 electrons
Answer:
An alcohol thermometer can easily measure the boiling point of a colorless liquid that boils at 100 °C.
A mercury thermometer can easily measure the boiling point of a colorless liquid that boils at 82 °C.
A mercury thermometer can easily measure the freezing point of a colorless liquid that freezes at −50 °C.
or An alcohol thermometer can easily measure the freezing point of a colorless liquid that freezes at −110 °C.
Explanation:
hope it help's ♡´･ᴗ･`♡
The correct answer from the given choices is A. One gram of table sugar is equal to 1.76 x 10^21 molecules of sucrose. Scientific notation is a method that scientists use to easily handle numbers that are very large or very small.
Answer: -
Thus the isotope that has atoms with 3 neutrons, 3 protons, and 3 electrons
4) ⁶Li
Explanation: -
Number of neutrons = 3
Number of protons = 3
Mass number = number of neutrons + number of protons
= 3 + 3 = 6
Atomic number = number of protons = 3
Element with atomic number 3 = Lithium Li
Thus the isotope that has atoms with 3 neutrons, 3 protons, and 3 electrons
= ⁶Li
The answer should be
2.96786*10^49
