A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons and neutrons
A) + B) - C) 0
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) burning wood B) breaking a pencil C) digesting food D) cooking eggs
A) Discovery Date B) Alphabetical Order C) Atomic Mass D) Atomic Number
A) Neutrons B) Protons and Neutrons C) Protons D) Valence Electrons
A) pH B) color C) shape D) density
A) a total of eight protons and neutrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of electrons. B) protons plus the number of neutrons. C) neutrons. D) protons.
A) They are extremely nonreactive. B) They form negative ions with a -1 charge. C) They are usually gases. D) They are located in the left-most column of the periodic table.
A) They are highly reactive with both metals and nonmetals. B) They are extremely rare in nature. C) They form compounds with very bright colors. D) a basically nonreactive.
A) have only 1 valence electron B) exist in all three states of matter in normal conditions C) are all metals D) are nonreactive
A) In the middle column of the periodic table. B) In the bottom rows. C) On the left-most side. D) On the right side.
A) location; ionization B) mass;number C) color; smell D) number; mass
A) 6 neutrons B) 3 neutrons C) 8 neutrons D) 12 neutrons
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali Metals
A) Alkaline Earth B) Noble Gases C) Halogens D) Akali
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) 2 B) 5 C) 3 D) 4
A) metalloids B) metals C) nonmetals
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) according to atomic number B) According to atomic mass C) alphabetically D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic mass
A) neutrons B) electrons C) nucleus D) protons
A) color B) pH C) flammability D) reactivity
A) adding dye B) crushing C) breaking D) burning
A) only can be seen in a few elements B) can be observed with senses C) vary within the same element D) can only be observed by changing the substance
A) can be observes with the senses B) vary within the same element C) only can be observed in a few elements D) cn only be observed by changing the substance
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) grams B) hours C) meters D) kilograms
A) nethier accurate or precise B) both accurate and precise C) precise D) accurate
A) 100 B) 1/1,000 C) 1,000 D) 1/100
A) dependent B) control C) constant D) independent
A) growth B) fertilizer C) length of study D) strawberries
A) independent B) control C) constant D) dependent
A) tongs B) beaker C) graduated cylinder D) stirring rod
A) 16 B) 0 C) 10 D) 13
A) 35 B) 17 C) 18 D) 19
A) 26 B) 12 C) 14 D) 10
A) 18 B) 8 C) 2 D) 10
A) 0.57 amu B) 57 amu C) 5.7 amu D) 115 amu
A) 4 B) 2 C) 1 D) 3
A) Bohr B) Rutherford C) Dalton D) Thomson
A) Thomson B) Rutherford C) Chadwick D) Democritus
A) Bohr B) Thomson C) Rutherford D) Shrodinger and Heisenburg
A) Bohr B) Rutherford C) Dalton D) Thomson
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Dalton B) Bohr C) Rutherford D) Chadwick
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electrons are positively charged. C) Electron number never changes. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) larger mass B) negative charge C) smaller mass D) positive charge
A) protons B) positrons C) electrons D) neutrons
A) 1.33g/ml B) 0.33g/ml C) 72g/ml D) 3g/ml
A) 10.7g B) 0.094g C) 24g D) 17.5g |