A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of protons only D) It is composed of electrons and neutrons
A) + B) 0 C) -
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) breaking a pencil B) burning wood C) digesting food D) cooking eggs
A) Alphabetical Order B) Atomic Mass C) Atomic Number D) Discovery Date
A) Valence Electrons B) Neutrons C) Protons D) Protons and Neutrons
A) shape B) pH C) color D) density
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) a total of eight protons and neutrons.
A) protons. B) protons plus the number of neutrons. C) protons plus the number of electrons. D) neutrons.
A) They are usually gases. B) They form negative ions with a -1 charge. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) a basically nonreactive. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) They are extremely rare in nature.
A) are nonreactive B) exist in all three states of matter in normal conditions C) are all metals D) have only 1 valence electron
A) In the bottom rows. B) On the right side. C) On the left-most side. 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) 8 neutrons C) 6 neutrons D) 3 neutrons
A) Halogens B) Alkali Metals C) Alkaline Earth D) Noble Gases
A) Halogens B) Akali C) Alkaline Earth D) Noble Gases
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) Halogens B) Alkali C) Noble Gases D) Alkaline Earth
A) 2 B) 5 C) 3 D) 4
A) nonmetals B) metals C) metalloids
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) according to atomic number B) alphabetically C) According to atomic mass D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) nucleus B) electrons C) protons D) neutrons
A) color B) flammability C) pH D) reactivity
A) crushing B) breaking C) adding dye 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) 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) kilograms B) grams C) hours D) meters
A) nethier accurate or precise B) accurate C) both accurate and precise D) precise
A) 1,000 B) 1/1,000 C) 100 D) 1/100
A) control B) constant C) dependent D) independent
A) length of study B) strawberries C) growth D) fertilizer
A) constant B) control C) dependent D) independent
A) graduated cylinder B) tongs C) stirring rod D) beaker
A) 13 B) 0 C) 16 D) 10
A) 35 B) 19 C) 18 D) 17
A) 26 B) 12 C) 14 D) 10
A) 10 B) 8 C) 18 D) 2
A) 57 amu B) 5.7 amu C) 0.57 amu D) 115 amu
A) 1 B) 3 C) 4 D) 2
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Democritus B) Chadwick C) Rutherford D) Thomson
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Dalton B) Bohr C) Rutherford 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) Dalton B) Rutherford C) Bohr D) Chadwick
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) positive charge B) smaller mass C) larger mass D) negative charge
A) positrons B) protons C) neutrons D) electrons
A) 72g/ml B) 0.33g/ml C) 3g/ml D) 1.33g/ml
A) 0.094g B) 24g C) 17.5g D) 10.7g |