Answer:
prison cells
Explanation:
Robert hook thought of prison cells when he first was the cells
Answer:
Robert Hooke called what he saw a cell because it reminded him of the cells in a monastery.
I hope this helps you
(2) Aluminum reacts with sulfuric acid.
(3) Aluminum conducts an electric current.
(4) Aluminum has a density of 2.698 g/cm3 at STP.
The correct answer as to which statement describes a chemical property of aluminum would be that it reacts with sulfuric acid.
There are two properties of every substance - physical and chemical properties.
Physical properties refer to the characteristics that can be observed without altering the substance while chemical properties refer to the characteristics of undergoing chemical changes in reactions.
Physical properties include color, boiling and melting point, hardness etc., while chemical properties include reactivity, toxicity, flammability, etc.
All the options have to do with physical properties of aluminum except its reactivity with sulfuric acid. The equation of reaction is as follows:
Al + H2SO4 ---> Al2(SO4)3 + H2
More on the chemical properties of aluminum can be found here: brainly.com/question/536562
Answer:
you know what i really dont know but imagine if they were huge
Explanation:
Potassium sulphide has the chemical formula S .
A chemical formula is a phrase that lists the constituent parts of a compound together with their relative proportions. No subscript is used if there is just one atom of a certain kind.
Alkali metals in Group 1A produce plus-one ions because they wish to give up their valence electron in their outer shell.
In order to have a complete octet in its outermost shell, sulphur, which is found in the chalcogens, needs to gain two electrons.
Thus, Potassium sulphide has the chemical formula S .
To learn more about Chemical formula, refer to the below link:
# SPJ2
true or false
Metallic Bond is basically a electrostatic force of attraction between the metal ions which are arranged in a lattice(Lattice is a regular repeating pattern) and the free electrons floating around the metal ions.
1- Metals are good conductors of heat and electricity
2- Metals are ductile
3- Metals are malleable
4- Metals are solid at room temperature
5- Metals Possess Metallic luster