Use the following key to classify each of the elements below in its elemental form:

Q: Give a reason why hydrogen might be placed along with the group 1A elements of the periodic table.

A: Periodic table gives the information of chemical elements arranged according to atomic number,…

Q: What is the differeence between cations and anions?

A: Whenever an atom loses or gains electrons, it loses its neutrality and becomes charged. The atom is…

Q: Physical description: This substance is a colorless solid that is not terribly soluble in water…

A: An unknown substance present can be identified using chemical analysis as well as spectroscopic…

Q: Predict whether an element is a metal, nonmetal, or -semimetal given its -position in the periodic…

A: The periodic table is a table in which the till now known elements are arranged according to their…

Q: Which of the following elements is most metallic? O Na(Atomic # 11) OK(Atomic # 19) OH (Atomic # 1)…

A: We have to find out the most metalic element among the given elements. Elements are H, Li, Na, K,…

Q: ons Which of these phrases accurately describes a metal. [Select all that apply.] a substance with a…

A: The question here basically asks the properties of metal.

Q: What is the first element in the periodic table

A: In the periodic table, the elements are arranged in increasing order of the atomic number of the…

Q: Identify 4 patterns and trends in the way the elements are arranged on the periodic table?

A: Patterns and trends in the properties of chemical elements that are revealed in the periodic table…

Q: 57. Which elements are alkaline earth metals?(a) sodium(b) aluminum(c) calcium(d) barium(e) lithium

A: The elements in the tabular form when arranged on the property of the increasing atomic number order…

Q: Refer to the periodic table and state the number of valence electrons for any element in each of the…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: give examples of transition elements.

A: The transition elements contain either d subshells which are incomplete or that readily lose…

Q: When a metal leaf electroscope is charged by contact with a negatively charged rod: Oprotons move…

A: An atom consists of protons and neutrons present inside the nucleus and electrons revolve around…

Q: Differentiate the two classification of metals.

A: Metals can be classified into two.  1)  Ferrous metals  2) Non Ferrous metals

Q: what are the groups of Elements that are the most chemically active?

A: Reactivity of species is predicted by their valence electrons or simply known as "valency". Lesser…

Q: Group IV (group 14) of the periodic table because 1. It forms an acid and a neutral oxide 2. it is…

A: The question is based on the concept of periodic properties. we have identify the properties which…

Q: Look at the locations of potassium andcalcium on the periodic table. Form a hypothesis toexplain why…

A: Potassium is found in 1st group and 4th period of the periodic table. It is in the column of alkali…

Q: ogress Name carbon chlorine neon boron Formula

A: The formulas provided in the table represent the chemical formulas of four elements: Carbon (C),…

Q: Which is true elemental potassium? A. It is a nonmetal B. It is a group II element C. It is a liquid…

A: Potassium is an element present in along with the alkali metals in the first group of periodic…

Q: The element (X) is located in the third period and the group (5A) and the element (Y) is located in…

A: The atomic number of the element located between them is 33 & the name of the element is…

Q: Several chemical educators, including E. R. Scerri have suggested an alternative form of the…

A: The 18 column table didn't give importance to elements of certain blocks namely f-block elements and…

Q: Write the symbol and name for the elements located in the periodic table as follows:

A: a. According to the periodic table, the noble gases are located in the group VIIIA (18) means the…

Q: Choose the compound from the list below. magnesium water neon helium O lithium

A: Given options:  magnesium water neon  helium lithium We have to find the compound from the above…

Q: 6.Examples of acidic oxide and neutral oxide respectively are: Carbon monoxide and sulphur dioxide O…

A: The examples of acidic oxide and neutral oxides respectively have to be given. An acid is formed…

Q: family of elements in the periodic table and how are they differentiated/ distinct from each other?

A: The terms element family and element group are used to describe sets of elements sharing common…

Q: 5) Identify the elements that fit each of the following period and group combinations. Give the…

A: Given table is : Given the symbol, name and class of each combination = ?

Q: List three ways in which metals and nonmetals differ.

A: Metals and nonmetals are the two categories in the periodic table. Metals are sonorous in nature…

Q: list all of the elements that exhibit properties most similar to those of sodium? give the elemental…

A: Properties of the element depends on the electronic configuration of the element. All the elements…

Q: Given the physical properties of the following elements at room temperature, classify each one as…

A: This answer is based on the physical properties of various elements at room temperature and their…

Q: Elements that lie on the left side of the periodic table are generally non-metals?

A:

Q: What is the formula of the compound in which the atom combining ratios are: sodium : fluorine 1:1 =…

A: The chemical formula of a compound is the representation of the chemical composition in a symbolic…

Q: Write the symbol for element and classify it as a metal, nonmetal, or metalloid.argon

A: The periodic table is the regular arrangement of elements in order of increasing atomic number. It…

Q: Hello, sorry I think I was a bit bland with the question. In the periodic descriptions attached…

A: A question based on periodic properties that is to be accomplished.

Q: fix it Barium adopts a “-1” charge in chemical reactions

A: Answer  Barium has always in form of  Ba +2 charge ,So barium adopts…

Q: Using the following graphs: 1) Provide the FAMILY NAME of the elements that make up the majority of…

A: The modern periodic table is based on the atomic numbers of elements. Properties of elements in the…

Q: Consider the following elements: chromium, tungsten, yttrium, vanadium, indium Which one does not…

A: The periodic table of elements consists of different blocks namely s, p, d, and f.  s-block -…

Q: 35. Which of these elements form two stable oxides? A Silicon B Beryllium C Sulphur D Argon

A: Oxides are chemical compounds formed due to a combination of any element with molecular oxygen. The…

Q: Given the following information, determine which element of the periodic table is being described as…

A: Elements are arranged in the periodic table in the increasing order of their atomic number.  There…

Q: What is the formula of cadmium oxide?

A:

d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.