00:01
So for this question, we need to find the symbol of the ion that has 22 protons, 18 electrons, and 24 neutrons.
00:20
Well, it's always good to start with the protons because that gives you the symbol, the main symbol of the element.
00:28
So if you take a look at the periodic table, you'll see these individual cells, and you'll see the main symbol right here, the letter symbol.
00:39
Along with some numbers.
00:43
This is just hydrogen as an example.
00:47
This top number is the atomic number, which tells you the number of protons in said element.
01:03
So if you take a look at the periodic table, and you look for the number 22 on the top, you'll find that the symbol associated with 22 is titanium, so t -i.
01:17
And electrons.
01:20
So typically, the periodic table shows a neutral element, where the number of electrons equals the number of protons.
01:30
But we see here that there are less electrons than protons.
01:39
So what we need to do is write, we need to write a number on the top right corner of titanium.
01:52
So what we'll do here is we'll write titanium...