Melting points increase with atomic weight for elemental halogens (the second-most right column in a Periodic Table). The heavier the atom, the harder to turn it into a liquid.
The lightest halogens, such as Florine (F) and Chlorine (Cl) are gasses at room temperature, having "melted" and "boiled" at lower (colder) temperatures.
The two heaviest halogens are Iodine (I) and Astatine (At). Astatine is very rare, but Iodine is common and is a solid at room temperature. The have the highest melting points of halogens.
Remember, F down to At increase in melting points.
F and Cl are gases, so they have low melting point.
Br is a liquid, so it has a higher melting point.
I and At are solids so it takes more heat to melt them.
Manganese: 1 246 0C Technetium: 2 157 0C Rhenium: 3 187 0C
Beryllium (Be) is the element in Group 2 that is lightweight and has a high melting point. It has a low atomic number and relatively small atomic mass compared to the other elements in Group 2, while also having a higher melting point due to its strong metallic bonds.
if this is from castlelearning its choices 1. H2O(s) 2. Na2O(s) 3. SO2(s) 4. CO2(s) the answer is choice 2 because sodium, Na, is a metal. When a metal is bonded to a nonmetal such as oxygen, an ionic bond is formed. Ionic compounds have high melting points. All of the other are nonmetal which mean they are convalent compounds and covalent compounds have low melting points. JgLy<3 :)
There are 6 elements of the group 2 elements and all of them have relatively similar melting points. All of these 6 elements are solids and have quite a high melting point but the average from all 6 of them is around 900 degrees Celsius. At around this temperature, most of the elements will start to melt.
Ionic compounds are composed of positively and negatively charged ions arranged in a regular, repeating three-dimensional pattern within the crystal lattice. The ions are held together by strong electrostatic forces of attraction known as ionic bonds. Ionic compounds tend to have high melting and boiling points due to the strong interaction between the ions in the crystal lattice.
1. Alkali metals are soft and highly reactive. 2. They have low melting points and densities.
Manganese: 1 246 0C Technetium: 2 157 0C Rhenium: 3 187 0C
Melting points are routinely used to determine the purity of a substance. Impurities often lower the melting point of a substance, so a lower-than-expected melting point can indicate the presence of impurities. Melting points are also used to identify unknown substances by comparing their melting points to established values.
The melting point of copper is 1084,62 0C and the boiling point is 2 562 0C.
Group 8A elements, also known as noble gases, are colorless, odorless, and tasteless gases. They have a full valence shell of electrons, making them stable and unreactive. Their boiling points and melting points increase as you move down the group.
you play to 25 points but have to win by 2 points
1)brittleness 2)high melting points 3)high boiling points
Beryllium (Be) is the element in Group 2 that is lightweight and has a high melting point. It has a low atomic number and relatively small atomic mass compared to the other elements in Group 2, while also having a higher melting point due to its strong metallic bonds.
Melting points are very different.
if this is from castlelearning its choices 1. H2O(s) 2. Na2O(s) 3. SO2(s) 4. CO2(s) the answer is choice 2 because sodium, Na, is a metal. When a metal is bonded to a nonmetal such as oxygen, an ionic bond is formed. Ionic compounds have high melting points. All of the other are nonmetal which mean they are convalent compounds and covalent compounds have low melting points. JgLy<3 :)
Molybdenum with 2 623 0C.
The melting points of transition elements in the 6th period generally increase from left to right across the period. This is due to the increasing effective nuclear charge, which leads to stronger metallic bonding. Tungsten (W) has the highest melting point among the 6th period transition elements, at 3695°C, due to its strong metallic bonding and close-packed crystal structure.