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) 0 B) + C) -
A) have an equal number of neutrons and protons. B) have neutrons in their nuclei. C) have an equal number of electrons and protons. D) have an equal number of charged and noncharged particles.
A) burning wood B) cooking eggs C) breaking a pencil D) digesting food
A) Atomic Mass B) Atomic Number C) Discovery Date D) Alphabetical Order
A) Protons B) Protons and Neutrons C) Neutrons D) Valence Electrons
A) pH B) color C) shape D) density
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
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 are usually gases. C) They are located in the left-most column of the periodic table. D) They form negative ions with a -1 charge.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) a basically nonreactive. 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) On the left-most side. B) On the right side. C) In the bottom rows. D) In the middle column of the periodic table.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 12 neutrons B) 6 neutrons C) 3 neutrons D) 8 neutrons
A) Alkali Metals B) Halogens C) Alkaline Earth D) Noble Gases
A) Halogens B) Noble Gases C) Alkaline Earth D) Akali
A) Noble Gases B) Alkali C) Halogens D) Alkaline Earth
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) 4 B) 5 C) 3 D) 2
A) metalloids B) metals C) nonmetals
A) Ms. Watson B) Einstein C) Mendleev D) Mosely
A) according to atomic number B) alphabetically C) According to atomic mass D) by date discovered
A) Atomic Mass B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) nucleus B) neutrons C) electrons D) protons
A) color B) reactivity C) flammability D) pH
A) burning B) crushing C) breaking 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) only can be observed in a few elements B) vary within the same element C) can be observes with the senses 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) grams B) hours C) meters D) kilograms
A) nethier accurate or precise B) accurate C) precise D) both accurate and precise
A) 1/100 B) 1/1,000 C) 100 D) 1,000
A) constant B) control C) independent D) dependent
A) fertilizer B) growth C) length of study D) strawberries
A) independent B) control C) dependent D) constant
A) stirring rod B) graduated cylinder C) beaker D) tongs
A) 16 B) 10 C) 13 D) 0
A) 35 B) 18 C) 17 D) 19
A) 10 B) 12 C) 14 D) 26
A) 2 B) 18 C) 8 D) 10
A) 0.57 amu B) 115 amu C) 57 amu D) 5.7 amu
A) 1 B) 4 C) 2 D) 3
A) Bohr B) Thomson C) Rutherford D) Dalton
A) Rutherford B) Thomson C) Democritus D) Chadwick
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Bohr B) Rutherford C) Dalton D) Chadwick
A) Electrons are positively charged. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electron number never changes. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) smaller mass B) larger mass C) positive charge D) negative charge
A) electrons B) positrons C) neutrons D) protons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 17.5g B) 10.7g C) 24g D) 0.094g |