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Calcium is one element, and chloride is the element to make up the structure of calcium chloride, which is CaCl2.
By the molecular formula, we see that there are two chloride atoms and one calcium atom in one molecule of calcium chloride. This means that there are two times as many atoms of chloride than calcium in the structure.
If nothing else is stated, the number of moles is always equal to 1 for any element. One mole is equal to 6.022 x 1023 atoms. There are thus:
1×(6.022 x 1023)=6.022 x 1023 atoms of calcium
and
2×(6.022 x 1023)≈1.2 x 1024 atoms of chloride
What else can I help you with?
What is the an ion?
an ion is an atom or gruop of aoms which has acquired the net nagitive charge by givein or accepting the electrons
What is the major cause of changes in the states of matter coolong of matter to its evaporation change of speed of aoms or molecules or expansion of particles into avalible space?
d
How many aoms make a molecule of ice?
Ice is the solid form of water which has the formula H2O. One molecule therefore has 2 hydrogen atoms and 1 oxygen atom, making a grand total of 3. If you're,referencing more like a particular ice crystal, then just take 3 times whatever number of molecules of water you choose. It's been said that the smallest ice crystal must have no less than 275 molecules of water. That would bring your number to 3*275=825 atoms. But if I were you, I'd just go with THREE.
Materials that are neither good conductors nor good insulators?
a material is neither a good conductor nor a perfect insulator because the number of free electrons determine the conductivity of a material.when we charge the material by electrification the transfer of electrons from one body to another takes place.and the atom is ionized because in each atom electrons are attracted by other material and net charge on the body is positive.but this is not permanent nor temporary.as we know that earth is a charged body and charge on conductor can be discharge by earthing a conductor and it is no more conductor.similarly in insulators the aoms locally polarize by bringing close to any charged body and the charge on insulator is temporary because there is deficiency of electrons.if we continously charged the insulator material finally a stage is reached when it becomes conductor e.g when clouds are attracted they charged the air and air becomes conductor and lightening strikes,we also know that air is insulator but due to excess charging air becomes conductor.
Why doesn't chlorine make an ionic compound with bromine?
because both these elements are in the same group (7) of the periodic table and so each have 7 electrons in their outer electron shells.An ionic compound is formed when one atom which preferentially looses electrons from its outer shell bonds through electrostatic attraction to another atom which preferentially gains electrons.Some atoms will loose electrons in these sorts of chemical reactions because they have only a few electrons in their outer shell and it is energetically easiest for them to donate them in a reaction leaving the atom with a full outer shell, for example sodium has only one and looses it easily in reactions forming a positive sodium ion. Some atoms will accept extra electrons to form a complete outer shell, chlorine for example will accept one to become a negative chlorine ion. These two equal but oppositely charged ions will strongly attract each other.Elements with 7 electrons each could only chemically bond by sharing an electron pair, the 7th from each atom combining to make a pair that both could share. This is called covalent bonding. This is what happens when chlorine and the other halogen elements form molecules, they go round in pairs Cl2, Br2, I2 etc bonded through the shared electron pair. A more interesting question is, why doesn't chlorine form a covalent compound with bromine?
