A) It is composed of protons and electrons B) It is composed of electrons and neutrons C) It is composed of protons only D) It is composed of protons and neutrons
A) 0 B) + C) -
A) have neutrons in their nuclei. B) have an equal number of neutrons and protons. C) have an equal number of charged and noncharged particles. D) have an equal number of electrons and protons.
A) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Alphabetical Order B) Atomic Number C) Atomic Mass D) Discovery Date
A) Protons and Neutrons B) Protons C) Neutrons D) Valence Electrons
A) pH B) color C) density D) shape
A) a total of eight neutrons and electrons. B) a total of eight protons and neutrons. C) eight neutrons in its nucleus. D) eight protons in its nucleus.
A) neutrons. B) protons plus the number of neutrons. C) protons plus the number of electrons. D) protons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) have only 1 valence electron B) are nonreactive C) exist in all three states of matter in normal conditions D) are all metals
A) On the right side. B) On the left-most side. C) In the middle column of the periodic table. D) In the bottom rows.
A) mass;number B) number; mass C) location; ionization D) color; smell
A) 8 neutrons B) 12 neutrons C) 3 neutrons D) 6 neutrons
A) Alkaline Metals B) Noble Gases C) Alkaline Earth D) Halogens
A) Noble Gases B) Akali C) Alkaline Earth D) Halogens
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) 5 B) 4 C) 3 D) 2
A) nonmetals B) metalloids C) metals
A) Mosely B) Einstein C) Ms. Watson D) Mendleev
A) according to atomic number B) alphabetically C) by date discovered D) According to atomic mass
A) Atomic Number B) Atomic Mass C) Atomic Number-Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Number-Atomic mass C) Atomic Number D) Atomic Mass-Atomic Number
A) nucleus B) protons C) electrons D) neutrons
A) color B) reactivity C) flammability D) pH
A) density B) pH C) texture D) shape
A) breaking B) adding dye C) crushing D) burning
A) rusting B) breaking C) precipitate forming D) burning
A) can be observed with senses B) vary within the same element C) only can be seen in a few elements D) can only be observed by changing the substance
A) vary within the same element B) only can be observed in a few elements C) can be observes with the senses D) cn only be observed by changing the substance
A) chemical B) physical
A) physical B) chemical
A) it will float B) it will sink C) not enough information
A) meters B) second C) liters D) kelvin
A) meters B) kilograms C) hours D) grams
A) both accurate and precise B) nethier accurate or precise C) precise D) accurate
A) 100 B) 1/100 C) 1/1,000 D) 1,000
A) constant B) control C) dependent D) independent
A) strawberries B) growth C) length of study D) fertilizer
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) dependent B) independent C) control D) constant
A) beaker B) tongs C) graduated cylinder D) stirring rod
A) 10 B) 0 C) 13 D) 16
A) 17 B) 19 C) 18 D) 35
A) 10 B) 26 C) 14 D) 12
A) 18 B) 2 C) 10 D) 8
A) 0.57 amu B) 57 amu C) 115 amu D) 5.7 amu
A) 3 B) 1 C) 2 D) 4
A) 0.5 mol B) 67.2 mol C) 2 mol D) 89.6 mol
A) 21.07 atoms B) 2.107x1024 atoms C) 1.72x1023 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Rutherford B) Thomson C) Chadwick D) Democritus
A) Rutherford B) Thomson C) Shrodinger and Heisenburg D) Bohr
A) Rutherford B) Dalton C) Bohr D) Thomson
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Rutherford C) Dalton D) Chadwick
A) Electron number never changes. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) negative charge B) positive charge C) larger mass D) smaller mass
A) positrons B) electrons C) neutrons D) protons
A) 3g/ml B) 72g/ml C) 0.33g/ml D) 1.33g/ml
A) 17.5g B) 0.094g C) 10.7g D) 16g |