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