What effect do you think other halogen elements have on human health? State your prediction

Q: Which is a halogen?

A: The element  belonging to group 17 in the periodic table are called  as halogens.   They are…

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: How can iodine (Z = 53) have a higher atomic number yet a lower atomic mass than tellurium (Z = 52)?

A: An atom is made up of three particles namely, protons, neutrons, and electrons. The protons and…

Q: What mass in grams of Na2S2O3 is needed to dissolve 6.3 g of AgBr in a 1.0 L solution if Ksp for…

A: The given data contains, mass of Na2S2O3 = 6.3 g. Volume = 1.0 L Ksp of AgBr = 3.3×10-13 Kf of…

Q: Cesium has 1 valence electron. How many possible bonds can be formed and why?

A: Given Cesium has 1 valence electron. Cesium is an alkali metal. Its atomic number is 55.

Q: What are the elements under Group 4A? Tabulate your answer by giving its description, importance,…

A: Group 4A contains the elements  of carbon family having C , Si , Ge , Sn , Pb .

Q: What is lithium?

A: Pure substances that are made up entirely of atoms and have the same number of protons in their…

Q: Which of the following is isoelectronic with argon?    A.    Fe2+    B.    F-    C.    Br-    D.…

A: If two or more species contain same number of electrons , called the isoelectronic.   Argon ,…

Q: Which element is a main-group metal? (a) O (b) Ag (c) P (d) Pb

A: a) O (b) Ag (c) P (d) Pb

Q: Discuss the Production of the Halogens?

A: The production of halogens has to be discussed below.

Q: 2) What is one of the major hazards associated with potassium dichromate?

A: Potassium dichromate molecular formula is K2Cr2O7.

Q: a The relative ages of the rocKS b The composition of the rock

A: Dear student I have given answer to your question in the image format.

Q: (a) Why is calcium generally more reactive than magnesium?(b) Why is calcium generally less reactive…

A: a.

Q: Aluminum, sulfur, and chlorine are elements found on the periodic table. Tests involving these three…

A: Metals have property that they are malleable and conducts electricity.

Q: Đ1. Docs the charge of the material remain the same when paired up with other material? 02. What is…

A:

Q: When a nonmetal oxide reacts with water, it forms an oxoacid with the same oxidation number as the…

A: Hi, since you have posted questions that has multiple subparts. We will answer the first three…

Q: What is the valence electrons of halogens? * 1 3 O 7 ООО

A: A compound undergoes precipitation when its concentration exceeds its solubility. It is effected by…

Q: Why would you say that Space Shuttles rather use hydrogen as its primary fuel source?

A: The Space Shuttle was a partially reusable low earth orbital spacecraft system.  It is operated by…

Q: Do you expect fluorine to be the strongest or weakest oxidizer among the halogen family? Which halid…

A:

Q: Write balanced equations for (a) U(a, n) Pu, (b) '#N(a, p)0, (C) Fe(a, B)Cu. 238 92 241 94

A: a) The balanced equation for below sample is, Uranium-238 undergoes nuclear fusion reaction with…

Q: How is iodine classified?

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: b. State the physical states of the halogens at room temperature and explain the trend.

A: Halogens are group 17 elements. Halogens are non metals in nature. Halogens are Fluorine, chlorine,…

Q: Lithium shows similarities with magnesium in its chemical behavior. What is the cause of these…

A: Lithium shows similarities with magnesium in its chemical behaviour because they have similar size…

Q: Is this true or false why? Sodium and chlorine are both very reactive metals

A: Sodium is metal but Cl is a non metal.

Q: which one of the following is an ionization technique? MALDI or ESI

A:

Q: What charge would exist on chlorine (#17) after it reacts with hydrogen (#1)?

A: The correct option is(d) i.e partial negative. The electronegativity of H = 2.20  The…

Q: 19 - Which of the given elements has similar properties with iodine (I) A) Br B) Te C) Ar D)…

A: Generally, the elements of a given group have similar properties due to similar general electronic…

Q: Using your knowledge of alkali metals, halogen gases and the periodic table of elements, explain why…

A: The periodic table makes the study of the properties and the configuration of different sets of…

Q: What is used to test for chlorine? * A a glowing splint B damp litmus paper O C limewater

A: what is used to test for chlorine has to be given,

Q: What are the similarities and differences between the lanthanides and the main groups?

A: Groups 1, 2 and 13 to 18 constitute the main group. In both, Lanthanide's and main group , the ionic…

Q: 16. In the periodic table, the element hydrogen is sometimes grouped with the alkali metals and…

A:

Q: what are the interesting properties  of  phosphorus

A: The interesting properties of phosphorus has to be given.

Q: How are calcium and phosphorus related?

A: In comparison with calcium, plasma phosphorus exists in both organic and inorganic forms, including…

Q: MCQ 36: Halogen that can react with noble gases like Xe is A. F B. CI C. Br D. I

A: Noble gases are those element which have complete octet i.e., they have 8 electrons in their valence…

Q: 3. Which of the following is NOT found in group 13? A boron (B) B gallium (Ga) © indium (In) D…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Describe alkali metals?

A: The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (okay),…

Q: Which of the following elements has the smallest atomic radius? As B Na Mg Br

A: The B (Boron) and Na (Sodium) has the smallest atomic radius.

Q: Which of the following gases contain a halogen? O HS O NO, O He O Co O HCN O HF O CI, O N,O Ar o, Ne…

A: According to the periodic table, halogens are members of group 17 .  Elements of halogen groups are…

Q: Which element is more reactive: Lithium or Boron?

A: Reactivity of the elements depends on factor like presence of electrons in outmost shell. Elements…

Q: Write balanced equations for the reactions of the group 1A and2A metals with water, oxygen,…

A: Group 1(a) is alkali metals and group 2(a) is alkaline earth metals and their reaction is given as:…

Q: What and the three chemical properties of halogens?

A: Halogen family is the group of elements that is present in Group VIIA of the periodic table.  The…

Q: Write a general equation for the reaction of a halogen with each substance.a. a metal b. hydrogen c.…

A: 17th family members are termed as halogens. Halogens are reactive species, they react easily with…

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.