Answer:
Elements with low ionization energies.
Explanation:
The ionization energy of an atom reffers to the amount of energy that is required to remove an electron from the gaseous form of that atom or ion.
The greater the ionization energy, the more difficult it is to remove an electron. The ionization energybis one of the indicator that shows the reactivity of an element. Elements with a low ionization energy such as metals are usually reffered to as a reducing agents and form cations, this give metals the tendency to
give away their valence electrons when bonding, whereas non-metals tend to take electrons.
Metallic elements have different properties such as shiny, heat and electricity conductivity . They are malleable and ductile Some metals, such as sodium, are soft and can be cut with a knife. while some are very hard such as iron.
Answer:
n O2 = 2.125 mol
Explanation:
balanced reaction:
- 2C6H10 + 17O2 → 12CO2 + 10H2O
∴ n CO2 = 1.5 mol
⇒ n O2 = (1.5 mol CO2)*(17 mol O2/12 mol CO2)
⇒ n O2 = 2.125 mol
Location the element zinc (Zn) on the periodic table:
Group number : 12
Period number : 4
Block : d block
Element : Transition elements.
Part 2:
Protons in an atom of Zn: 30
Part 3:
Electrons in a Zn atom: 30
Part 4 :
Neutron in an atom of Zn: 35
Answer:
Enthalpy change is negative
Entropy change is Positive
Explanation:
The answer will be (4) HI because the greater the difference of the bonds in electronegativity, the more polar a bond is.
