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What is the atomic number of hydrogen chloride?
Since hydrogen chloride is not an element but is, instead, formed by two elements, it does not have an atomic number. Only elements have atomic numbers.
What makes two elements distinct?
Only their no of protons in nucleus (atomic numbers)
What is the atomic numbers of the elements in period 2?
Two. Period 1 contains H and He.
What happens where two elements have the same atomic number?
When two elements have the same atomic number, it means they are isotopes of each other. Isotopes have the same number of protons but different numbers of neutrons in their nuclei. This results in subtle differences in their atomic mass and stability.
When you multiply two numbers what do you get?
When you multiply two numbers, you get the product
Which two elements have an atomic mass less than twice their atomic number?
Elemental hydrogen and helium have atomic masses less than twice their atomic numbers.
What are two synthetic elements with atomic numbers less than 92?
Technetium, Tc, and promethium, Pm
The two rows of elements placed at the bottom of the periodic table represent what elements?
The two rows of elements at the bottom of the periodic table are the lanthanides and actinides. The lanthanides are elements with atomic numbers 57 to 71, while the actinides are elements with atomic numbers 89 to 103. These rows are known as the f-block elements and are placed below the main body of the periodic table to conserve space.
What is the result called when you multiply two numbers?
When you multiply two numbers, it is called the product.
When you multiply two numbers what do you call the two numbers that you multiply?
The two (or more) numbers that you multiply are called factors. (The result of the multiplication is called the product.)
What two numbers multiply to get 72?
Two numbers that you can multiply together to get 72 are: 36 and 2.
What two numbers can you multiply to get 213?
Two numbers you could multiply to get 213 are 71 and 3.
