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