2. Complete the following table: Name Symbol Atomic number...

2. Complete the following table: Name Symbol Atomic number Mass Number Number of neutrons Number of Electrons Charge hydrogen-1 1H+ 1 1 0 1 +1 2H sodium-22 22Na+ 10 12 24 12 12 25 13 47Ti-4 108Ag+ 19F carbon-13 6 carbon-12 6 carbon-13 7 carbon-14 5 4He+ 8 8 10 argon-41 18 18 70Ga 70Ga+3 5 10 2 5 6 5 3. To test your knowledge of isotopes, draw arrows between all pairs of atoms in the table above that are isotopes of each other.

Transcript

00:01 Hello students, let's begin with this question.

00:02 In this question we have to fill this table.

00:04 So, the first one is 1, hydrogen positive, it has atomic number 1, mass number 1, 0 neutrons, 1 electron, charge is plus 1.

00:11 The second is 2h.

00:13 So, this is the, the name of this is the deuterium and its atomic number is 1, mass number is 2, neutron is 1, electron is 1 and charge is 0.

00:25 Now, the next one is the sodium 22.

00:27 It will have na positive.

00:29 So, its atomic number is 11, mass number is 22, neutron is 11, electrons are 10 because here the charge is plus 1.

00:36 So, the charge is the plus 1.

00:38 Now, the next is atomic number 12.

00:40 So, this is the element, this is the magnesium, magnesium 12.

00:47 So, it will be represented as the, so this is the magnesium 24, this is the magnesium 24.

00:55 So, this will be represented at 24 magnesium, its atomic number is 12, mass number is 24 and neutron is 12, electron is 12 and charge is 0.

01:06 Now, the next is the magnesium 25.

01:11 So, here this magnesium 25, it is represented as magnesium 25.

01:16 It will have 12 atomic number, mass number 25 and neutron is, so it will have the 13 neutrons, its electron is 13.

01:25 So, it means that there is a minus 1 charge on this magnesium 25.

01:29 Now, the next is 47 titanium.

01:32 So, this is the titanium 47.

01:36 So, its atomic number is, titanium will have the atomic number of 22, its mass number is 47, the neutron is mass number minus the proton.

01:47 So, 47 minus 22.

01:48 So, this is equals to 25 and here it will have 4 negative charge.

01:52 So, its electron is, so it will have the 26 electron and charge is minus 4.

01:57 Next is the, this is the silver 108.

02:02 So, its atomic number of silver is 47, its mass number is 108 and neutron is 61.

02:09 So, its electron is 46 and charge is plus 1.

02:13 Now, the next one is the, so the next one is the, this fluorine, this fluorine 19.

02:21 So, this the name of this is equal, is the fluorine 19.

02:26 So, now its atomic number is, fluorine has 9 atomic number, mass number is 19 and it will have the 10 neutrons, 9 electrons and 0 charge.

02:37 Now, the next is the carbon 13.

02:39 So, this is represented as c 13.

02:41 So, now this will have the atomic number 6, mass number 13 and it will have the 7 neutrons, 6 electron and charge is 0.

02:52 Now, the next is the carbon 12.

02:55 It will have atomic number of 6, mass number is 12, it will have the 6 neutrons, 6 electrons and charge is 0.

03:02 Next is the carbon 13.

03:04 It will have 6 atomic number, mass number is 13, neutron is 7 and electron is 7.

03:10 So, there will be minus 1 charge on this.

03:13 Now, the next one is the carbon 14...

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