A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) + B) 0 C) -
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of electrons and protons. D) have an equal number of neutrons and protons.
A) breaking a pencil B) cooking eggs C) digesting food D) burning wood
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Protons B) Protons and Neutrons C) Valence Electrons D) Neutrons
A) pH B) density C) color 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) protons. B) protons plus the number of neutrons. C) neutrons. D) protons plus the number of electrons.
A) They are located in the left-most column of the periodic table. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are usually gases.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) a basically nonreactive.
A) have only 1 valence electron B) are all metals C) are nonreactive D) exist in all three states of matter in normal conditions
A) On the left-most side. B) On the right side. C) In the middle column of the periodic table. D) In the bottom rows.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 8 neutrons B) 12 neutrons C) 3 neutrons D) 6 neutrons
A) Halogens B) Alkaline Earth C) Alkali Metals D) Noble Gases
A) Halogens B) Noble Gases C) Alkaline Earth D) Akali
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Halogens C) Noble Gases D) Alkali
A) 5 B) 3 C) 4 D) 2
A) metalloids B) metals C) nonmetals
A) Ms. Watson B) Einstein C) Mendleev D) Mosely
A) by date discovered B) according to atomic number C) alphabetically D) According to atomic mass
A) Atomic Mass B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Number
A) electrons B) protons C) neutrons D) nucleus
A) reactivity B) color C) pH D) flammability
A) crushing B) breaking C) burning D) adding dye
A) only can be seen in a few elements B) vary within the same element C) can be observed with senses D) can only be observed by changing the substance
A) can be observes with the senses B) only can be observed in a few elements C) cn only be observed by changing the substance D) vary within the same element
A) chemical B) physical
A) chemical B) physical
A) it will float B) not enough information C) it will sink
A) hours B) meters C) kilograms D) grams
A) both accurate and precise B) nethier accurate or precise C) accurate D) precise
A) 1,000 B) 100 C) 1/100 D) 1/1,000
A) constant B) dependent C) control D) independent
A) length of study B) growth C) fertilizer D) strawberries
A) independent B) constant C) dependent D) control
A) beaker B) stirring rod C) graduated cylinder D) tongs
A) 13 B) 16 C) 10 D) 0
A) 19 B) 35 C) 18 D) 17
A) 14 B) 10 C) 12 D) 26
A) 18 B) 10 C) 8 D) 2
A) 5.7 amu B) 115 amu C) 57 amu D) 0.57 amu
A) 4 B) 3 C) 1 D) 2
A) Thomson B) Rutherford C) Bohr D) Dalton
A) Chadwick B) Thomson C) Democritus D) Rutherford
A) Bohr B) Thomson C) Rutherford D) Shrodinger and Heisenburg
A) Dalton B) Rutherford C) Thomson D) Bohr
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) 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) negative charge B) smaller mass C) larger mass D) positive charge
A) electrons B) neutrons C) positrons D) protons
A) 0.33g/ml B) 1.33g/ml C) 3g/ml D) 72g/ml
A) 24g B) 17.5g C) 0.094g D) 10.7g |